0:34 - auricle 1:01 - pulmonary trunk 1:23 - L pulmonary artery 1:33 - Aorta 1:47 - Brachiocephalic artery 1:58 - Left common carotid 2:08 - Left subclavian artery 2:29 - Superior Vena Cava 2:38 - R/L brachiocephalic vein 3:03 - Azygous vein 3:24 - Pulmonary arteries 3:49 - Pulmonary veins Coronary Circuit 05:04 - Anterior Interventricular (left descending) artery 05:48 - Left coronary artery 6:00 - Circumflex artery 6:53 - Great cardiac vein 7:12 - Anterior interventricular sulcus (fat filled groove) 7:30 - Posterior vein of L ventricle 7:50 - Right Coronary artery on coronary sulcus 8:08 - Marginal artery 8:31 - Small cardiac vein 8:40 - anterior cardiac vein 9:12 - Posterior interventricular artery on the posterior interventricular sulcus 9:48 - Middle cardiac vein 10:13 - Coronary Sinus Interior of heart 12:08 - R Atrium 12:13 - L Atrium 12:24 - Tricuspid Valve 12:33 - Chordae Tendinae 12:43 - Papillary muscles 13:20 - Fossa ovalis 13:30 - Coronary SInus 14:09 - Pulmonary semilunar valve 14:31 - Ligamentum arteriosum 15:00 - Opening of Right pulmonary veins 15:14 - Opening of Left pulmonary veins 15:36 - Bicuspid valve 15:55 - Aortic Semilunar vavle 16:12 - Interventricular septum 16:30 - myocardium 16:40 - Endocardium 17:17 - Pectinate muscles - anterior walls of atrum 17:33 - Trabeculae carnea - Anterior walls of ventricles 17:50 - Mesothelium, Epicardium

You could be teaching at Harvard or one of those prestigious universities but instead you are teaching here. I feel blessed to have the opportunity to be taught by someone who is as passionate as you! Thank you, thank you!

This guy deserves a Nobel Prize in Education for ten consecutive years.

Thank you for all the hard work and passion that you’re dedicating for this channel ❤️❤️❤️❤️ keep going

This is the best channel that me and my friends watch to understand our topics MBBS physiology and anatomy lectures. Love this, helps us pass our exams and actually learn things!

This channel has been so helpful and follows along with everything I have been learning in my A and P classes. Thanks so much :)

You explained the whole heart in one video!!! Thank you!!! This helps put everything together for me and now it all makes sense.

I LOVE your videos! You're a wonderful teacher, I love supplementing my actual class work with your KZfaq content. So grateful for your methods of instruction!

a medical student right here is very thankful for ur great vids

You are a true God-sent Teacher. You gave me an understanding of this material more than any of the materials in school or anything that I paid for. Thank you so much.

Thanks to this channel i passed my physiology exam easly. Thank you ninja nerd :)

Thank you! Everyone here is a Dr! Im just a lowly EMT going to Paramedic and youre teaching me wonders man!!!! THANK YOU!!!!

I just wanted to say thank you for doing these videos. They really make studying medicine a lot more enjoyable.👍

Thank you so much for offering these educational videos for free . Much appreciated !

This is by far the most detailed and concise video on heart anatomy. Thank youu

thank you so much for providing these amazing videos . youre absolutely the best doctor ever.

Thankyou so much for such an outstanding presentation ❤❤ It got me everything cleared about this model thanks alot May you rise and shine ❤❤👍

Your channel is amazing! Studying pathophysiology had never been so easy. Make more videos about medical clinic! Keep going this way :)

I love your channel! Wished I found you sooner, but better than never. Keep these up!

In two days I will start my cardiovascular system module... and knowing that you have uploaded a full playlist about cardiovascular physiology is a huge relief for me tbh :) now I can start the module with confidence👍🏼

Wow! Everything needed in this short clip. Well detailed!!

Best physiology teacher ever. Love your videos.

i love you. Never saw everything it so clear as whe you explained it. give thta man a raise!

I can't thank you enough for the work you are doing. You are a gem.

Hi, I am so happy that I've found your channel. Thank you for doing these videos for us. I really appreciate it !!!!

I follow you from Italy, love the way you speak and explain. All of those explanation are useful for my Italian motor science study. Thank you

love love love this video!!! Hits right on what I am learning in AP2

Zac all the way!!!!!!! Since undergrad, you've been my tutor. Thanks a lot. I don't know how you do it, someone must just understand you. Big kudos to you.

Just an absolute genius and an incredible human. Thank you so much Zach for your generosity and passion for helping us understand. Your videos have saved me over and over again.

Amazing. Thank you SO much for your Service! I feel super blessed as well, like some have commented! 🙏🏽

wow i watched him when i m taking my anatomy classes; now i m taking my rotations in cardiology, anatomy makes much more sense and fun now :D Great job

My due respect and best regards to you I have been searching all my life for this kinda lecture Thank you very much May you be healthy, prosper and all your wishes come true

outstanding!! i'm a visual learner in an online anatomy class. so grateful!! .\m/

This is helping me with my EKG/ECG class so much. Online self paced classes sometimes can be hard to follow and being that nobody signed up for my instructor led class I had to do this.

this is the best educational video, I'm a visual memory so it was really hard to just study from the books, thank you so much, I hope you may consider doing a whole series for the head and neck anatomy cuz you're great 🌹🌹🌹🌹

why this channel have not that many subscribers is still out of my mind.Brilliant video.

After the first video, I signed up. Soooo worth it. You guys are GREAT!

Love using your videos to help me study. you’re amazing!!!!

Wishing this lecture had notes, but it's great visualization. Love this page.

The best model, the best expalnation. Thank you very much.

I just wanted to say thank you so very much!!!! I PASSED MY MIDTERM TODAY!!!!!!!!!

You are a great teacher Thank you for your efforts

I just don't know how to say thanks to you ! I have spent weeks at uni to understand heart section , but only 18 minute of your video cleared everything up for me ! I even don't need to spend tones of time to read the litritures after watching your videos ! Thank you so so so much ! I feel like, a professor at Oxford is teaching me ! You deserve the best things ever in your life ...I always wish you the bests , thanks for your amazing videos 🙏🏻🙏🏻🙏🏻🙏🏻🌺🌺🌺

You're the best teacher I have ever seen. Thanks 🤩🤩

Thanks a lot. Please do keep helping students like us. And please please keep your videos free

This channel ninja Nerd is my life favorite one.. it save my life. Only one word I can express my deep feelings “ thank you ninja” .. 💚

Absolutely mindblowing..lecture ever.

Hello Dr. Zachary, I'm your favorite student here from Nairobi, Kenya. I wanted to request if you can come up with pathology lectures too. I enjoy being in your classes dr. You make learning easy and enjoyable. looking forward for your new lectures. Thumbs up!!

Amazing content! Smart dude with great delivery.

I am teaching undergraduates and before my any lecture I always love to learn from you and you are my best teacher

You guy are amazing! Your videos help me a lot so, here is a massive thank you from your friend in Wales 🏴󠁧󠁢󠁷󠁬󠁳󠁿:-)

Can't express...the gratitude ...just in words

this is awesome to learn about, thank you!

I became your fan. I mean how easy to understand from your vedios:-). Your vedios are really really awesome. You are doing great job doctor 👌. You vedios are included in my daily life routine. Thank you for helping me everyday 🙏.

Thanks you so much!!!! It's amazing site for study to my university exams with your videos ❤

i wanna cry in happiness since i found you. Thank you so much ❤ i owe my all med school grades to you

Really you are genius and gifted. Please more videos. I have benefited much.

This is the best anatomy of the heart presentation.

I love or channel! Teach a lot, you are an excellent teacher. Greetings from Brazil

Thanks very much u make physiology easy

An excellent video for heart anatomy.

Amazing and really helpful video. Thank You! Ninja Nerd Science......

Thank you for the amazing explanation!

Beautifully explained...👌

Thank you, guys!

Like seriously he is just so good at teaching

thank you so so much, your content is appreciated🤍

ur vlog deserves million views.... thanks

such a nyc way of teaching sir,realy u deserve a solute.... and lots of love for uhh sir from india..

I love you, man! Thank you for making me love anatomy!

Thank you so much for your work. 🙏🏼🙏🏼🙏🏼🙏🏼❤️

Thank you so much I don’t have a A or P class cause I’m in 6th grade but I’ve been very interested in the heart anatomy since I was four. It was so much easier because you explain the heart anatomy all in one .

Thank you so much. I truly appreciate you.

The one and only 3D video of heart ! Great👏👍

You are amazing man think you so much .keep going and we will support you always

I just wanna say thanks you so much for helping the world 🌎. God bless you 🙏

Thank you.. This makes my life easier:)

Guys he just do all that for free really I wish you the best professor you and all your amazing team thank you .

Only 307.000 subscribers? What is wrong with this world? You rock mate. Many thanks from Rhodes,Greece

Thanks a lot for this great and helpful easy content

Amazing video. Very helpful 👍

Well done. Thanks so much.

O my gaaaaaaaaaaddd!!! Dude i just spent a week trying to learn about heart from all kinda books but ur lecture was still better than all

Great video man. Very Informative. 👍

You served the humanity more than United nations, thank you a lot

incredible channel , thank you

You are amazing your videos are really helpful thanks much!

Great video, love the band-aid haha

Thanks!!! It was really helpful 😊

Amazing video, thanks!!

Amazing explanation

How fascinating this heart model is! And professor Zack explained it so well!

Thanks for your effort 😊

You are a blessing!! ❤❤💕

God bless this man.

i love your lectures.awesome

This is was so, so, so helpful, omg. Thank you so much! TwT

Doctor good work I m started to understand this keep it up 💪

THANKYOU SO MUCH, u have no idea how helpful you channel is, Godbless you😩🫶🏻

Hi. Great stuff, thanks! Can you do a session on ECMO / ECLS?