How many chambers do animals' hearts have? | Body fluids and circulation | Biology | Khan Academy

Let's explore how the structure of the heart change from fish to reptiles to mammals

00:00 Introduction
00:53 Fish - Single circulation
04:31 Amphibian/Reptile - Incomplete double circulation
07:36 Mammals - Double circulation
08:23 Summary

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Created by Vibhor Pandey

[lucyb]

If I could like this video multiple times i would 💛

[aryanraj]

Wow physics teacher teaching biology in really awesome way

[Bamtori]

So the blood that goes from right atrium to ventricle to lungs is mixed or deoxygenated only (in frogs ) ??

[KrishnaPatel-bm]

Thanks for such an easy explanation 😊😊