How Do Cells Communicate? (Cell Communication): Crash Course Biology #25

Even though it might seem like our bodies are on autopilot, there is a whole lot happening inside us to keep things moving. In this episode of Crash Course Biology, we’ll learn that our cells are in constant communication, reminding each other-and themselves-to perform important functions like breathing, walking, or even sleeping.
Chapters:
Behind the Scenes 00:00
Cell Communication 2:00
How Cells Respond to Signals 4:19
Platypus Reproduction 5:24
Types of Signaling 6:52
Review & Credits 9:40
This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit BioInteractive.org/CrashCourse for more information.
Check out our Biology playlist here: • Biology
Watch this series in Spanish on our Crash Course en Español channel here: • Crash Course Biología
Sources: docs.google.com/document/d/1G...
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[@VapingNurse]

It's ok. We love Hank Green, too.

[@ajs1998]

Dr Sammy is my favorite Crash Course host. Charismatic, funny, and clearly passionate about the subject.

[@CaseyRae67]

The “I love you” made me scream 🤭

[@bubblegodanimation4915]

Finally! It's back!
This course helps me more on biology than any textbook or professor!

[@stax6092]

Cells at Work is a phenomenal anime.

[@Kris_catlover]

Can we get a crash course series on COVID and Long COVID?

[@cainster]

Do you promise to wear your chin diaper the whole time?

[@Thaythichgiachanh262]

Thank you for covering the topic so comprehensively.

[@Topcatyo.]

The intro for this particular video in the series was top-tier

[@user-xd5ou6yw5s]

I loved this series from the beginning

[@apcolleen]

Is Hank Green was my boss or if I had a boss like Hank Green, I think I would end every interaction with I love you; HR be damned. Hes too good not to love.

[@spwolftech]

Shout out to the Echidna indeed!!!

[@irinavoicu3412]

I loved this episode, i learned something completely new to me!

[@Dumplingmakesshorts]

helped with my paper work and am doing great with these videos good job keep it up!!!.

[@dakotaj288]

educational & sassy. easy to understand but a little add for me.
did I watch 3x yes.
did I love it yes! 😂 thank you

[@CALIENTEBELLE]

You're awesome Dr. Sammy! Thank you ❤

[@fernandafe6737]

Amazing way to reach!! You are very fun!! ❤👏👏👏👏

[@Shadow-me1oz]

Very informative!

[@nadew.02]

Thank you for this episode ~♡

[@StarfleetUnderground]

I lmao at the "I love you" phone joke 🤣😂🤣😂

[@gailaltschwager7377]

Thank you!

[@khadijabou2698]

How can I like this videos multiply times, Very good job beautiful HOsT

[@Heyitzash17]

I wonder if there is a defect where the wrong type of cell has a receptor protein and what would happen?

[@katiaaitoumeziane791]

thanks

[@Beryllahawk]

So the "crine" in Endocrine is for the message, then? Kinda cool! Never knew there was this much complexity just for me to remember to breathe!

[@Davlavi]

Another great video.

[@desmond3828]

Interesting!

[@TenzinT]

great educator.

[@malkum77ify]

Endocrinology is fascinating

[@dennistucker1153]

Good video.

[@shibainsouthcarolina2696]

I love it！

[@JusticeRobinHood]

Good

[@RoxanneM-]

It’s easy! They communicate by Cell Phones! 🤷🏻‍♀️
😭

[@qmano9836]

we miss you, Dr. Sammy

[@daviddaman38]

this stuff is cool.

[@daviddaman38]

ay i got a like.

[@bubblegodanimation4915]

Funniest episode yet!

[@mattkuhn6634]

Hey hey, it's Dr Sammy back for more BioFun!

[@StephenSternGoth]

I have impulsive thoughts and high octane energy too much all the time what is that from?
Is it a cortisol thing?

[@nickcourter351]

Excellent job on the intro. Welcome to my everyday existence. Lol.

[@pauljsm]

Fierce indeed ❤😍

[@marksusskind1260]

rotary dial telephone for the win, but the dial tone did not happen during the dialing phase, gee-ee-s!

[@fusionhypnotic]

Let’s go

[@StephenSternGoth]

If you say I love you bye it's not a fail it's technically a win

[@Antenox]

Oh, i remember goatee Hank

[@evansnyamesah1755]

💯🔥

[@boredtolife323]

3:00 cell phone

[@keigilmore1569]

Too funny!

[@MonicaEGolak]

[@thatomofolo452]

🎉🎉🎉💫

[@jablue4329]

"The way my facial hair situaion is set up"
Ha! What, do you got saving hair and checking hair?

[@luizamascarenhas7782]

🎉❤

[@Vladislav-1007]

Why does not our brain just tell us all that, it has been doing this for our entire lives

[@bemusedalligator]

writers, editors, producers, and.... Hank

[@EthericImpulse]

2:08 video answer starts

[@9tiesimonsomething]

"Gohan entered the chat"

[@justtrolin]

1ST?!

[@user-ny7sm9od1b]

First

[@user-ny7sm9od1b]

Second

[@justtrolin]

FIRST!