Introduction to cellular respiration | Cellular respiration | Biology | Khan Academy

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  • Опубликовано: 29 окт 2024

Комментарии • 1 тыс.

  • @izzynobre
    @izzynobre 13 лет назад +317

    I literally didn't even finish watching the Report. I went over to the site thinking this whole online academy was a neat idea, and started finding videos about the topics I need to study for my test next week (pity I only found out about the Academy today).
    It's 1:56am and I'm studying Biology on the web for free. THIS is what those visionaries imagined the Internet would be one day.

    • @haarlemvan-delden5148
      @haarlemvan-delden5148 6 лет назад +1

      izzynobre care

    • @neuva_2117
      @neuva_2117 4 года назад +12

      OMG I just realized I was just 8 when u posted this comment... kinda weird

    • @doris4469
      @doris4469 3 года назад +1

      olha o izzy aqui hahaha

    • @woooghost107
      @woooghost107 3 года назад

      @@neuva_2117 same

    • @arese-
      @arese- 3 года назад +3

      Here 10 years later doing the Same thing. This is actually now integrated as part of my college curriculum (bio)

  • @mariannejasmijn8656
    @mariannejasmijn8656 3 года назад +267

    I seriously think you should get a Nobel Prize, you've changed education forever

  • @abdulbaset2219
    @abdulbaset2219 5 лет назад +360

    MITOCHONDRIA IS THE POWER HOUSE OF THE CELL

    • @chefoc1584
      @chefoc1584 4 года назад +30

      my teacher gave me a detention for saying that

    • @gracekuo8708
      @gracekuo8708 4 года назад +1

      AHAHAHAH

    • @gracekuo8708
      @gracekuo8708 4 года назад +6

      @@chefoc1584 fr AHAHAHAH

    • @neelgarud8655
      @neelgarud8655 4 года назад

      That is incorrect

    • @Cod4Wii
      @Cod4Wii 4 года назад

      Very important, thank you

  • @alvinliu8756
    @alvinliu8756 7 лет назад +1326

    who else was watching Crashcourse before this and because they didnt understand it, clicked on this video.

  • @PaliPrince
    @PaliPrince 8 лет назад +893

    We're all screwed

    • @LXXIV666
      @LXXIV666 8 лет назад +5

      ye

    • @danpt2000
      @danpt2000 8 лет назад +18

      did you flunk the test?

    • @angelaong1803
      @angelaong1803 7 лет назад +25

      danpt2000 I think I am going to. have test on that tomorrow and can't understand what my teacher is saying.... 😓😓

    • @spectroxis6418
      @spectroxis6418 6 лет назад +7

      *Laughs at above for being idiots.* /\

    • @OmegaLink
      @OmegaLink 6 лет назад +1

      I agree

  • @jenniferg7714
    @jenniferg7714 12 лет назад +11

    Studying & learning for 'visual learners' has become so much better with mainstream internet use and great videos like this. Thanks for simplifying something which is initially quite confusing:)

  • @jakeaintscary
    @jakeaintscary 10 лет назад +19

    Thank you so much for taking the time to make these videos. I am taking an EMT course and have been memorizing all the information so I can pass the test but never really understanding how it works and after watching these videos it is all starting to make sense ^.^

  • @jessica6470
    @jessica6470 7 лет назад +367

    MY TEST IS TOMORROW! I'M TOO YOUNG TO DIE!!

    • @SWonYT
      @SWonYT 5 лет назад +4

      Why did no one politely tell this girl it was the wrong "to"? Yall wrong for that.

    • @gothgirl1331
      @gothgirl1331 5 лет назад +1

      Jessica Zhou sameeeee

    • @sophiadelgado9754
      @sophiadelgado9754 5 лет назад +18

      Sammy Williams She used the right "to"

    • @JMANGREEN
      @JMANGREEN 5 лет назад

      MY test was today

    • @SWonYT
      @SWonYT 5 лет назад +1

      @@sophiadelgado9754 you're right, I read the comment as "my test is tomorrow I'm going to die" because I thought it was a typo. My bad😂

  • @lorenagonzalez9421
    @lorenagonzalez9421 8 лет назад +10

    Thank you so much!!!! Now I really understand cellular respiration! You helped tons! God Bless you!

  • @queenvee2227
    @queenvee2227 4 года назад +8

    It took me like ten different videos but I think I'm finally understanding this!

  • @amirajaber4149
    @amirajaber4149 8 лет назад +37

    Test tomorrow, I can't stop ✋ procrastinating. I need to focus

  • @Adamolson
    @Adamolson 6 лет назад +461

    Anyone watching this before a test😂?

  • @aliciajohnson8367
    @aliciajohnson8367 2 года назад +5

    Super helpful video! I sat down to watch the cellular respiration series thinking that I would be cramming for my cell bio exam tomorrow but it turns out that I already knew the stuff,, i just needed a simple and clear expaination and this was it! I don't think many professors know how helpful it is (especially to adhd students like myselft) to just explain things in the simplest terms and expressions. I just love how concise and exact your lessons are. I know it can be good practice to have to use critical thinking skills to reach conclusions about topics like this but i find that style of teaching to be my weakness. anyways thanks a bunch for these great videos! If i wasn't a broke college student i would surely provide a great donation!

  • @jokkerdagoat
    @jokkerdagoat 11 лет назад +318

    watching this because of finals anyone?

    • @aasnathrafeeq9672
      @aasnathrafeeq9672 7 лет назад +1

      yea its a saviour ofcos

    • @matz230
      @matz230 7 лет назад +1

      Ha. Im doing this because of a middle school project.

    • @dg798
      @dg798 6 лет назад

      It's easy if you firm a chart in your mind and learn it

    • @maryamalmahzaa6703
      @maryamalmahzaa6703 5 лет назад +1

      Ya mine is tomorrow

  • @chrisuljanicchris8617
    @chrisuljanicchris8617 7 лет назад +7

    You help so much. I'm studying sports medicine and this is exactly what I needed !!

  • @JoannaRivera
    @JoannaRivera 5 лет назад +2

    This professor is the best!!!! I hate online classes but I would rather take his online class than in person because he is just THAT GOOD!

  • @filthylove
    @filthylove 12 лет назад +5

    Thank you! I love how you use the colors . You wrote so clearly. Makes it so much better!

  • @TooooooooooNify
    @TooooooooooNify 11 лет назад

    I'm so happy i actually used his videos. I had my midterm today and professor added 3 essays and one of them were on this topic! and 50 multiple choice ... and some true and false.

  • @therinisley9515
    @therinisley9515 6 лет назад +7

    I love this! This is such an amazing explanation. I've always struggled to understand these concepts and I have ADHD so it's especially difficult for me. But I love this teacher! I plan to watch every video I can! I just can't thank you enough! It's really going to help me with my future career plans. I haven't watched any videos with other teachers yet, so I can't say how well the others do at explaining things, but if I were a teacher I would want to be this good. And if I ever make enough money to do so, I will donate to this organization.

  • @mxstrisha
    @mxstrisha 14 лет назад +3

    Sal, watching your Biology videos saves me a lot time and I actually understand all these subjects better. I'm sure I'll do good in my Biology finals tomorrow because of you. (:

  • @devcat3936
    @devcat3936 5 лет назад +13

    God bless this man even though I still dont get it

  • @Angelina267
    @Angelina267 13 лет назад

    this is excellent. One of the best videos on youtube. Thorough, precise, and enough detailed information to not only give us the main idea, but not too many stupid little fragments. Thank you so much. My honors bio teacher is 80 years old and doesn't have a clue what he is doing.

  • @dian5083
    @dian5083 8 лет назад +25

    Super nice video, clear, structured and very organized.Thanks for your input.

  • @bethy081989
    @bethy081989 13 лет назад

    Got a 90% on my exam and you cut my study time in half providing me with more study time for other classes. Thanks for the download info as well. You are awesome and very much appreciated for the videos that you make. Thank you.

  • @esti3833
    @esti3833 4 года назад +60

    me getting confused at all the college test comments because we're studying this in ninth grade

    • @elena-gw3rf
      @elena-gw3rf 3 года назад +1

      lmao same

    • @angelaupton8043
      @angelaupton8043 3 года назад +14

      Come back in 15 years as a mature age student and see how well you remember it....

    • @daisycolquitt354
      @daisycolquitt354 3 года назад +3

      trust me.. you wont remember this in four years

    • @artemischen4086
      @artemischen4086 3 года назад +1

      I just learned this few days ago and now I already forgot everything

    • @nasanti53gaming68
      @nasanti53gaming68 3 года назад

      @@angelaupton8043 oo

  • @kayelem23
    @kayelem23 12 лет назад

    I might be one of the rare ones that isn't here for my midterm! I'm actually studying Biology at university and I tutor highschool students. I wanted an example for an introduction because I wasn't sure how to start... I might just make her watch this video, she won't need me anymore! you're amazing :)

  • @lexingtonchick1
    @lexingtonchick1 5 лет назад +3

    Best video on Cellular Respiration 👏🏽 thank you! I finally understand it! For anyone to understand this start by
    1. Understand the basic understanding of Enzymes for catalyzing the chemical reactions of life
    2. Watch the amoeba sisters on this topic
    3. Then come back to this video and everything makes sense
    😂😂😂

  • @Diannedodo
    @Diannedodo 12 лет назад +1

    Thank goodness for this video! My biology teacher makes cellular respiration much more compicated than it needs to be. This video will save me on the test tomorrow!

  • @Kat-tq6tm
    @Kat-tq6tm 8 лет назад +73

    I'm doomed. test over this and two chapters Monday for college

    • @Kat-tq6tm
      @Kat-tq6tm 8 лет назад +2

      I'm doomed. Help!!!! Pllllleeeeeaaasseee!

    • @amirajaber4149
      @amirajaber4149 8 лет назад +1

      Katie kelley good luck 👍🍀

    • @Kat-tq6tm
      @Kat-tq6tm 8 лет назад +1

      I got a higher grade on my most recent bio test. Now to get though the rest of the year

    • @lujineshelleh2707
      @lujineshelleh2707 8 лет назад

      me too

    • @sabrinaa
      @sabrinaa 7 лет назад +4

      doing this as a 7th grader :/

  • @luvculturegurl26
    @luvculturegurl26 12 лет назад

    He's amusing and teaches it correctly. Trade places with my teacher? PLEASE!?

  • @shan8613
    @shan8613 3 года назад +7

    You, sir, have always been a life saver! Thank you so much for everything ❤️

  • @anitaclince6385
    @anitaclince6385 12 лет назад

    Hi just want to congratulation you on your great work. I am retaking my Anatomy and Physiology exam in 4 weeks. Need lots of this turor work to enable me to pass second time round. I am hard of the hearing get by through wearing hearing Aids. Class was not sufficent for me.. I have lots to do in 4 weeks.....

  • @stewiegriffin12341
    @stewiegriffin12341 9 лет назад +4

    Thank you so much for making these videos!!!They'll help me a lot!!!

  • @momof5wi
    @momof5wi 12 лет назад

    This is the BEST educational instruction in Bio i have EVERRR seen!!

  • @davidz8823
    @davidz8823 6 лет назад +4

    Very well explained, thank you.

  • @MsM0N3YL0V3R
    @MsM0N3YL0V3R 13 лет назад +1

    This helped clarify so much of what we've been learning in A&P. He's so clear and succinct.

  • @johnny0jon
    @johnny0jon 13 лет назад +5

    I love how simplified this is... Makes me feel smart (even though Biology is my worst subject)

  • @emmaj8337
    @emmaj8337 3 года назад

    I find that watching videos like this is the happy medium of learning. (So is teaching in a class while writing on the board, if the teacher does it well, i think.) Reading from a textbook is energy-draining and difficult. Listening to a lecture can be boring and you can miss details. But listening *and* reading, looking at the notes and listening to the explanation, is like reading along to an audiobook; it makes a lot of sense, and doesn’t require that much strain or cause confusion. Thank you for all the help. I hope you know you’re a *literal blessing* to us all

  • @armandohasudungan
    @armandohasudungan 14 лет назад +7

    wow..

  • @gothicfreakinusa
    @gothicfreakinusa 13 лет назад

    I do not know what i would do without this videos!!

  • @mianabdurrehmansohaib1429
    @mianabdurrehmansohaib1429 8 лет назад +4

    Great video.......helped a lot.....

  • @lemmewatch456
    @lemmewatch456 12 лет назад

    your teacher knows Khan can teach this better than they can. Thank your teacher.

  • @jeremiahluke5180
    @jeremiahluke5180 8 лет назад +5

    it helped me a lot in a scinence contest i got 1st

  • @seanfeehan2508
    @seanfeehan2508 12 лет назад

    I am a science teacher and I am showing this to my class! big thumbs up from me

  • @louisemalfoy5914
    @louisemalfoy5914 8 лет назад +4

    i love khan academyy

  • @disney6858
    @disney6858 12 лет назад

    This is the BIGGEST educational video archive i've ever seen

  • @kinganimiton5071
    @kinganimiton5071 8 лет назад +3

    this really helpful thx a lot i needeed it

  • @monicaha827
    @monicaha827 3 года назад +1

    Wow, thank you so much. You helped answered many of my questions!!

  • @Omar-zo6ro
    @Omar-zo6ro 7 лет назад +66

    aaaaaaaand i'm failing

    • @Monochrone15
      @Monochrone15 7 лет назад

      lol XD I feel you. This is painful.

  • @thisisAB
    @thisisAB 12 лет назад +1

    You realize you save lives right? Thanks a lot you need awards for this (I nominate you for the Nobel Peace Prize)

  • @Tan_vee
    @Tan_vee 10 лет назад +3

    Where can I get that amazing black board with colors online? What do I google? I wanna make educational videos too and I wanna use this. Help anyone?

  • @freebound01
    @freebound01 12 лет назад

    I live in South Africa, and if I could send you a basket of fruit or some potatoes from here to express my gratitude then I most sincerely would. Thank you for your awesome lessons.

  • @touraybinta
    @touraybinta 9 лет назад +6

    Watching this out of extreme boredom 😞

    • @tyrannospino4242
      @tyrannospino4242 9 лет назад

      your not the only one.... Now I'm just gonna post random questions off a Prof 2 algebra questions

    • @xeztan
      @xeztan 9 лет назад +4

      Good for you, better than wasting your time on social media or videogames.

    • @janarthanamrajaram8022
      @janarthanamrajaram8022 4 года назад

      xeztan by I want to travel

    • @janarthanamrajaram8022
      @janarthanamrajaram8022 4 года назад

      tamilpicture

  • @AnthonyHoward-ru8su
    @AnthonyHoward-ru8su 9 месяцев назад

    Khan Academy is so fantastic...i haven't been exposed to such useful educational material in decades and it is getting my mind working again

  • @awang714
    @awang714 9 лет назад +9

    I think it should be net 30 ATP (eukaryotes ) and 32 ATP (prokaryotes) from current understanding/research.

  • @nequa28
    @nequa28 12 лет назад

    thank god for this! i seriously am more confident about my test i have in 30 minutes!

  • @ahmedalkarkhi
    @ahmedalkarkhi 9 лет назад +13

    Its FADH2 not FADH, nice video thank you :)

  • @HarryPStuff
    @HarryPStuff 12 лет назад

    Thank you, THANK YOU for subtitles. I hate it when I have to guess what people are saying, which would be especially difficult for this video.

  • @teto5447
    @teto5447 8 лет назад +3

    what happened to the oxidation of pyruvate after Glycolysis?????!!!!

    • @nubiagoldd
      @nubiagoldd 8 лет назад

      +tet o I believe those are the two carbon backbones he was referring to at the top under glycolysis

  • @leonardwashington8491
    @leonardwashington8491 12 лет назад

    This is an awsome video, I understand cellular resp., glycolysis ,kreb's cycle and fermenetaion now. Thank you so much.

  • @onlyonemitch5049
    @onlyonemitch5049 5 лет назад +3

    I was supposed to be on holiday,but I'm here instead thanks to my parents. Sigh

  • @thecarlcoyle
    @thecarlcoyle 13 лет назад

    I want to thank you for doing what your doing here its truely refreshing to see someone take the time to help everybody else out there it shows just how usefull the internet can be keep doing what your doing because it is more than appreciated

  • @yasna2001
    @yasna2001 8 лет назад +5

    i have my SAT biology subject test tomorrow and i'm fucked to say the least

    • @nicolehartson3253
      @nicolehartson3253 8 лет назад

      Yasna Ali good luck

    • @yasna2001
      @yasna2001 8 лет назад

      Nicole Hartson hah thanks it wasn't too bad but i'm definitely not getting a good score

    • @nahdiya8
      @nahdiya8 7 лет назад

      Yasna Ali of

  • @Mazz6299
    @Mazz6299 14 лет назад

    khanacademy rocks, dude you just make rvrything a lot simpler to understand.

  • @sanjayprasharprashar1577
    @sanjayprasharprashar1577 8 лет назад +3

    why do you give these videos for free?? they're so good..u'd be so rich if you cost money for tuitions..the whole world's gonna come and pay you....hi..m shreya from india..can u add some more videos related to medicine studies..I mean higher studies..ryt now m in 10 th year but I would need them for my 11th and 12 grades also..plz!!!!!! awaiting response..thnQ..plz!

    • @sarahdhakal1493
      @sarahdhakal1493 8 лет назад +17

      May be u are rich enough to pay for each and every online helpful or useful videos. But many people arent.
      The more the number of viewers the uploader gets the money, so its fair.. If the video is nice and watchable then it is obvious it will have maximum viewers and the uploader get to earn money and the students who are hungry for knowledge gets to lear many new and interesting things.

    • @ZzzZ-hm3mr
      @ZzzZ-hm3mr 8 лет назад +2

      you can find these videos in khan academy, just search it online cuz its there. its like lessons just like this video and it can vary to a lot of topics too.

  • @blackaliensheep5619
    @blackaliensheep5619 9 лет назад

    You're the best! I didn't even get what the teacher was talking about I thought I was dumb but NO! I actually am not dumb!!! You're the BEST!!!! You're my teacher now!!!

  • @oshitomaha
    @oshitomaha 10 лет назад +9

    Glycolysis needs 2 ATP's, to generate 4 ATP's so on a net bases generates 2 ATP's??? wtf is that

    • @joelmooner69
      @joelmooner69 10 лет назад

      ATP is energy.

    • @jenniferfelix7981
      @jenniferfelix7981 10 лет назад +51

      Think of ATP as money. To start your business (glycolysis) you spent 2 dollars (2 ATPs) and at the end of the day made 4 dollars(4 ATPs) therefore you profited 2 dollars (a net of 2 ATPs)

    • @piousalpha3733
      @piousalpha3733 10 лет назад +1

      Jennifer Felix that was a good one

    • @jenniferfelix7981
      @jenniferfelix7981 10 лет назад

      Pious alpha Thanks I'm glad it helped

    • @dellamassaley976
      @dellamassaley976 7 лет назад

      Jennifer Felix thanks a lot for this comment,helped me alot.

  • @jackrussel999
    @jackrussel999 13 лет назад

    THANK YOU, I've got a test tomorrow on this and I'm confident I will not fail. :)

  • @katb8269
    @katb8269 6 лет назад +4

    Here for midterms :) rip

  • @moocowman0
    @moocowman0 13 лет назад

    Mr. Khan, you are absolutely incredible, however I really think you should do a video on anaerobic respiration and go into more detail about fermentation. I know it's not all that complex or important, but because it was not in your videos, I was very confused when I tried to read my biology book. Thanks though:) sooo much!

  • @AE0N777
    @AE0N777 8 лет назад +13

    How old are you guys? I would like to see the age variation of the people who watch these videos.

    • @roryisdeceased9848
      @roryisdeceased9848 8 лет назад +4

      Esteban I'm 11

    • @yumekoshousepet
      @yumekoshousepet 7 лет назад +10

      I am 14 and I am going to fail my test... badly.

    • @yumekoshousepet
      @yumekoshousepet 7 лет назад +3

      14

    • @saffrown
      @saffrown 7 лет назад +1

      Esteban 15 but in grade 11th and most likely flunking my test too lmao

    • @ra1061
      @ra1061 7 лет назад

      AL No worries about a thing

  • @TheRoadsidePicnic
    @TheRoadsidePicnic 13 лет назад

    Genius! Wherever I go in my studies, THE SAL has been there before, and is ready to expalin astounding!

  • @叶靖宇-j8i
    @叶靖宇-j8i 9 лет назад +10

    Doesn't it produce 36 ATP?

    • @kabtastick
      @kabtastick 9 лет назад

      No 38

    • @rileyb5987
      @rileyb5987 9 лет назад

      38 ATP is how many ATP that is produced in the entire process from 1 glucose, but there are multiple steps that require ATP and only produce ATP under ideal conditions so the NET ATP is closer to 30 ATP. It is calculated as
      cytosol NADH (NADHc)=1.5 ATP (as it costs an ATP to enter the mitochondria)
      mitochondria NADH (NADHm)=2.5 ATP
      GTP=1 ATP
      FADH2=1.5ATP
      Glucose = 2ATP+2GTP+2NADHc+8NADHm+2FADH2
      = 30 ATP (text books say 36 because they round all the .5 ATPs up and 38 because they dont account for the invested 2ATP.)

    • @gertrudechikwanka4370
      @gertrudechikwanka4370 9 лет назад

      +叶靖宇 one molecule of glucose will produce 38 mol of ATP if the NADH produced is transported to the mitochondria via the malate shuttle but if it is transported to the mitochondria via the glycerophosphate shuttle, only 2 mol of ATP will be formed so the net production will be 36 instead of 38

    • @qwertyokful
      @qwertyokful 9 лет назад

      +叶靖宇 Without the Krebs cycle it would produce only 36 but combing the process of the Electron transport chain and the Krebs cycle it creates a total a 38.

    • @sophieagudelo7477
      @sophieagudelo7477 9 лет назад

      On school tests (EOCs) it says it gives 36 instead of 38 so teachers say it's 36 instead of 38

  • @aznsecretluv
    @aznsecretluv 11 лет назад

    I now have a clear understanding of what pyruvate is. Thank you.

  • @drakkonadurab3441
    @drakkonadurab3441 8 лет назад +6

    I thought you did math!?

  • @chl.orinee
    @chl.orinee 4 года назад +2

    thank you so much for these videos, my ap bio class is basically a self study class and ive really been struggling because of that

  • @AliveInChrist324
    @AliveInChrist324 9 лет назад +21

    he gets kind of off topic and is super repetitive

    • @Celinestu333
      @Celinestu333 7 лет назад +30

      he is just trying to be very clear cos not everyone is like you, intelligent -_-

    • @teampunk1356
      @teampunk1356 6 лет назад +2

      i dont think so.....his explanation is very good tho....

  • @WarmWeatherGuy
    @WarmWeatherGuy 8 месяцев назад +2

    It's not 38 ATPs per mole of glucose. It is 2.29 x 10^25 ATPs per mole. We get 38 ATPs per molecule of glucose.

  • @syberk1d
    @syberk1d 12 лет назад

    wow, i am half way through my Human Biology A level ( A.S) FOR THIS SEMESTER!. I was not aware of this page, it would of aided me greatly if I'd of known about it sooner! This video has been very helpful, i will continue to watch the videos that relate to my A level work. I give credit to the educator that derived this information Thumbs up to him. Thanks for posting these video's x

  • @emilitfan
    @emilitfan 13 лет назад

    Thank You Khan! Made passed my test with your help.

  • @ethanyandow
    @ethanyandow 11 лет назад +1

    I've understood everything this semester except respiration and this has been a really good review to help clarify before exams. Subscribe!

  • @TMliz
    @TMliz 11 лет назад

    Dude I have to take IB bio right now, and I hate it with all my heart, but watching khan academy makes it all fun, and easier to learn

  • @PivAd123
    @PivAd123 13 лет назад

    You're helping my Biology raise from B to A. Thanks

  • @Tehman00
    @Tehman00 12 лет назад

    i'm glad i saw my friend using this.
    I am forever grateful =)

  • @nikitamthomas
    @nikitamthomas 12 лет назад

    finals start this wednesday... that means I have a lot of bio and calc videos to watch before wednesday,.. The tension video saved my life!

  • @halimabashar1452
    @halimabashar1452 6 лет назад

    this made me understand cellular respiration much better,THANK YOU

  • @nickolark
    @nickolark 12 лет назад

    THank you so much!!! I have a quiz and i knew nothing but this helps soooo much :)

  • @syberk1d
    @syberk1d 12 лет назад

    hi, please dont give up, its hard to get your head around it at 1st. But with hard work you'll understand it bit by bit. I still only understand some of the concepts and ive been doing bio for one year now. We all are stil learning, some pick it up quicker than others, im one of those types that are not fast at understanding concepts. I have to put a hell of alot of time and effort into it. My point is keep at it, start from the very basics like the mitochondrea (atp power house) let me know if

  • @anica1023
    @anica1023 2 года назад

    Amongst all the videos I watched on yt about Cellular Resporation, I can understand this one better. Thank you so much for this 💗💗💗

  • @sammoukhaiber
    @sammoukhaiber 13 лет назад

    Saving me for my unit test tomorrow! You make bio easy!

  • @shnizzleyy
    @shnizzleyy 14 лет назад

    U dont even understand how much u help me!! i used to dream studying for bio tests now studying isnt so bad!! is this all the info that i need to know for the BIo AP?

  • @gracecai8488
    @gracecai8488 12 лет назад

    thank you, your videos are really helpful. by the way, you were on my school paper the other day.

  • @heywasshatnin
    @heywasshatnin 12 лет назад

    This is so much easier I understand than my professors lecture! I loved the word origins that helped so much

  • @kbh___9339
    @kbh___9339 6 лет назад

    I have a good teacher but the way you explained it makes a lot more sense.

  • @jalle88
    @jalle88 11 лет назад

    I know the feeling. I got exam in Physical Education tomorrow and these videos is explaining what I never understood in my courses perfectly!

  • @countygirl35
    @countygirl35 11 лет назад

    Thank you for this video! I'm taking microbiology and this video actually made sense to me as oppose to my professor who makes no sense at all when she teaches it!

  • @yolismazacarias350
    @yolismazacarias350 6 лет назад

    Thank you for taking the time to actually explain this in a calm manner unlike crashcoarse that just rushes through everything. After this video, I have a better understanding of cellular respiration!

  • @TheKtate
    @TheKtate 12 лет назад

    Thank you... my bio mdterm is tomarrow, ur videos helped me learn more then 4+ months of class

  • @48612jess
    @48612jess 14 лет назад

    seriously, you are my savior.

  • @electlocution
    @electlocution 10 лет назад +2

    This is a great video, and I'm even more impressed by how well he writes using the cursor.