athomf4432 athomf4432

23-11-2019
Biology

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What is the advantage for birds and mammals of having a four-chambered heart?

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olaoluagboola olaoluagboola

23-11-2019

Answer:

1. oxygen-rich (oxygenated) blood does not mix with oxygen-poor (deoxygenated) blood. This allows rich supply of oxygen to the cells

Thanks to the low-pressure circulation to the lungs, and high-pressure pumping into the rest of the body promoting the flow of oxygenated blood

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