Question

what is the advantage of having four chamber heart
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Answer 1

Answer:

Explanation:

Nothing just the thing is that we have lungs so blood need to be passed to lungs.

Answer 2

Answer:

It prevents mixing of deoxygenated blood from oxygenated bood for efficient supply of oxygen to every cell in our body.This is because mammals have to spend a lot of energy to maintain their bodt temperature.