How many heart chambers does a crocodile have?
They have a three chambered heart that functions as a four chambered heart. What they have is two atriums and a ventricle with a partial division. This partial division keeps the vast majority of unoxygenated blood from the body on the right side of the heart and sends it to the lungs with very little mixing with the oxygenated blood fromt he lungs that is on the left side of the heart. So the answer is technically a three chambered heart but with a partial division which makes it nearly a four chambered heart and almost as efficent. Some zoologist do consider their heart as four chambered, but they are not four complete chambers since there is a hole in the septum. The order would be right atrium, ventricle, then to lungs, back to left atrium then to ventricle then out to body. If you are one of those that call it a functionally four chambered heart then you could say right atrium, right ventricle, then out of the heart to the lungs, back to the heart via the left atrium, then left vi
