Question

Advantage of four chambered heart in man?

Answer 1

Answer:

The four chambered heartprevents the mixing of onygenated and deoxygenated blood.

By keeping the two types of blood separated, their efficency for supplying o2 to the blood increses.

Birds and mammals cnsistantly use energy to maintain their body temp. as they are warm blooded animals.

 thus, these are the advantage of having a four-chambered heart.

Hope it helps.

Answer 2

Because they prevent the mixing of oxygenated and deoxygenated blood