My goodness I've heard this cycle explained so many times and NEVER comprehended anything really but now i can actually explain to someone without looking at the notes. Thank you Dr Campbell you're God's send and you're helping create future Drs and Nurses
I love watching his videos- he explains things so precisely and doesn't throw in nonsense. This is how you truly learn! I've been a nurse for 28 years-learning never stops! Thank you Dr Campbell.
Exciting ,extraordinary scientific knowledge handed down from the previous generation to us, makes me humble and thankful .Thank you ,Dr John Campbell !
Oh my God! You're indeed a teacher.Am so glad I stumbled into this in preparatory period and am sure with this, I will make you proud in my cardio exams.I will say to them 💪 "I listened to DR. JOHN CAMPBELL"
Dr John Campbell, you such an amazing lecturer I salute you for the very helpful detailed video. After watching your video I fully understand it. Keep up the good work and may the good Lord above continue to bless your commitment and effort. Thank you very much!!
Dear Dr John Campbell, you are the best teacher that I have ever seen I appreciate God for making out enough time to create someone like you b/c you are not just a teacher but also a Saviour, may the God of Abraham, Isaac, and Jacob continue to guide and protect you for me and also increase your life on earth for more lecturing in Jesus name .
i am never bored and i am alwasy bored but hes very good at explaining everything . i have my cardio exam and im learning really well with this vidoe to add im slow alittle lols
Hi Dr.John your lectures are brilliant. Your way of explaining is so simple and understandable. I understand the topic more quickly and it helps me to understand n memorize what is written in my books n notes. I had an exam on cardiovascular system and I saw your video on it heart function n system and it helped me so much that I got an A so thank you for that .Now I have an exam on this and waves form and your videos are helping me very much .thank you for that again. Do you have any videos on polarization depolarization n repolarization ?
Does anyone else listen to Dr. Campbell and feel instantly calm and genuinely interested in whatever content he's talking about? So grateful for him!
He answers all the questions in his lectures, that I had which were tripping me up (so I couldn't move on mentally to the rest of the chapters).
Absolutely! Studying my ALS2 was less stressful thanks to this amazing Dr.
Ditto!
Karly Sovereign I do too
He sure is wonderful teacher
My goodness I've heard this cycle explained so many times and NEVER comprehended anything really but now i can actually explain to someone without looking at the notes. Thank you Dr Campbell you're God's send and you're helping create future Drs and Nurses
How can anyone believe this system evolved? It's incredible!
I love watching his videos- he explains things so precisely and doesn't throw in nonsense. This is how you truly learn! I've been a nurse for 28 years-learning never stops! Thank you Dr Campbell.
one of the best teachers on RUclips hands down
Hands up
100%
Dr Najeeb is also one of best
Exciting ,extraordinary scientific knowledge handed down from the previous generation to us, makes me humble and thankful .Thank you ,Dr John Campbell !
Dr. John
I can hardly thanks to you for making Human physiology so Effortless 💫🤸♀
Thanks alote Dr John your presentation are a blessing to yours may good lord protect you and keep blessing your household
A really one kind and unique ❄ , caring and absolutely simple, and mindful lecture of Beloved lecturer Dr. John Campbell
Thank you doctor for making it so simple to understand. God bless you.
It's brilliant the way God has designed the heart and how could you think it developed by itself. Very well illustrated video.
Soothing and relaxing way to deliver lecture, I do always enjoy❤❤❤❤
what a great teacher!! i truly feel like im learning. thank you John.
Dr. Campbell is so good at physiology. I like his teaching very much. God bless him. 🤗😇
thank you so much for speaking so clearly and slowly and explaining so well
Oh my God! You're indeed a teacher.Am so glad I stumbled into this in preparatory period and am sure with this, I will make you proud in my cardio exams.I will say to them 💪 "I listened to DR. JOHN CAMPBELL"
One of the best teacher i have ever seen 😊😊😊😊😊he is so good at teaching
Now I know what my Rt Bundle branch blockage is all about. Excellently described. Thanks
Dr, appreciate,really vedio show your skill . Very easy way you explain..may God bless you more and more ❤❤❤❤❤
I AM A GENETIC GRADUATE, ACTUALLY I FOUND IT HARD TO STUDY PHYSIOLOGY , AFTER WATCHING YOUR VIDEOS , PHYSIOLOGY LOOKS MUCH CLEARER, THANKS..
Dr John Campbell, you such an amazing lecturer I salute you for the very helpful detailed video. After watching your video I fully understand it. Keep up the good work and may the good Lord above continue to bless your commitment and effort. Thank you very much!!
Dr John, I would like to thank you for this amazing video my understanding has definitely improved please keep up the good work. 😀
THIS. IS. GOLD. simple, but yet exact and detailed drawing. Very well done good sir! from homesitting concerned sports-science student!
Amazing understanding in this way. Thanks Doc.
Wow,,, best lecturer ever
Extraordinary and masterly insightful ....Cheers!
Thank you so much Dr. John, you are genius, God bless you.
Dr. Campbell, You are a excellent teacher :)
You are best of all lecturers I have come through
Thank you Dr.you are good teacher everything is entering the head.This is awesome👍🏾
Thanks Doc. You are amazing.
God bless you and your family.
God bless you Dr John Campbell
@@chimehiuramarkson Thank you but I am not Dr. John.🙂
Assalam o Allikum! You are a fantastic teacher.May Allah bless you...Ameen!
God bless you also Atiqa. I hope you live long to help many people.
Thanks!
So grateful to you for your simplified and easy to understand lecture.
OMG. Thank you so much Dr. Campbell. Now I finally understand. This is awesome.
Thank you so much sir..I m watching ur video repeatedly..very clear and clean explanation.. easy to understand...
if i had your phone number you would definitely be on my speed dial!love your lectures
I have just found your videos. So clear to understand. Thank you!
thats help me in anatomy exam thaaank you doctor 😊
You are such a wonderful teacher. Thanks a lot.
Dear Dr John Campbell, you are the best teacher that I have ever seen I appreciate God for making out enough time to create someone like you b/c you are not just a teacher but also a Saviour, may the God of Abraham, Isaac, and Jacob continue to guide and protect you for me and also increase your life on earth for more lecturing in Jesus name .
you are a great man ,i don't know how to thank you for your help
Thank you so much Sir 🙏🙏8 hrs lecture in class is less making sense than your video
Very clear and precise! I like how he explains. Thank you for teaching!
thanks great teacher .... youare th best teacher in medicine
Beautifully explained! Thank you, Dr. Campbell.😊😊😊😊😊😊💖💖💖💖💖
Awesome! thank you so much Dr John Campbell :)
Excellent presentation. Can't thank you enough. Keep up the great work. Thanks again.
i am never bored and i am alwasy bored but hes very good at explaining everything . i have my cardio exam and im learning really well with this vidoe to add im slow alittle lols
Thanks Dr john you are now my lecturee
Thank you❤ for explaining this it was really hard for me and now it seems very much easier😇🤩
the best teacher ever
I am thankful for your narration 🎉🎉🎉🎉
Bestest teacher 🙏🙏🙏🙏🥰🥰🥰
Brilliant teaching videos! Thank you so much!
Sir I'm from India loved your explanation
Answers to your questions
1-Sinoatrial node
2-AVN
3-AVN
4-increase heart beat
5-vagus nerve ,x cranial nerve
Brilliant. Thanks a lot from sunny Egypt.
Wow so interesting I like the he teach thank you so much sir appreciated 👍👍
Thank you for the simple and easy explanation!
Thanks doctor john
Thank u sir..i've watched up to this episode from the very first and it hepled me so much🤍🤍🤍🤍🤍🤍🤍🤍🤍
Im i the only one who follows him at all social media platform?❤
Old but gold God bless u sir
superb... this is the how all should teach...
Extremely helpful!
You are certainly one of a kind ❤️.
Beyond brilliant,thank you.
Love your lectures
Hi Dr.John your lectures are brilliant. Your way of explaining is so simple and understandable. I understand the topic more quickly and it helps me to understand n memorize what is written in my books n notes. I had an exam on cardiovascular system and I saw your video on it heart function n system and it helped me so much that I got an A so thank you for that .Now I have an exam on this and waves form and your videos are helping me very much .thank you for that again. Do you have any videos on polarization depolarization n repolarization ?
Best explanation ever
well explained and well presented.
You are superb teacher 😍
Oh how much I wish all my professors were like him
Simple to follow thank you
👍 Keep the good work up!
Great teacher!
Nicely explained....thank you
Thank you
Thank you sir, you are a wonderful person
Thank you so much.. this really helps me in understanding.. GOD BLESS YOU!
God bless you also Katrina, which country are you in?
I’m a Filipino who’s currently studying in NY.
@@katrinamaetuban6084 Excellent
Please come to Rutgers...teach these professors how to be clear as you are
Many thanks well explained
you are the best. thanks.
Keep up the good work 🎉❤
AMAZING 👌👌👏👏😊.......and thankyouu
Just amazing 👏
Nice explanation sir..
Brilliant
Thank you sir.
Thank you!
You have all these videos on your channel explaining like everything medically. But where do I start?
thank
Brilliant.
thank you so much!!
If it takes 20sec to transmit the nerves impulses from AV node then why the artery and ventricle contract at the same time?
Can you Dr. Jhon make the different types of blood. Thank you
Sir aapka time aane walla hai XD XD XD jus jokin love from india
So the vagus nerve together with the parasympathetic system, can lower the heart rate meaning the rate of contraction?
thank you sir. can it possible to make a lecture about heart attack & angiogram.
🇮🇳 amazing from india
I want to mimic you Sir🎉🎉🎉🎉
i have a questiion. Is not the AV valve placed in the right atrium, in the inferior part?
yes