Biology, asked by nehabegum5346, 7 months ago

why do we need transport systemu

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Answered by Anonymous

Answer:

We need a transport system to deliver oxygen, nutrients and other substances to all our body cells, and take away waste products from them. ... The deoxygenated blood returns to the heart from the body in the vena cava (a vein), the heart pumps is to the lungs to get rid of the carbon dioxide.

Answered by Anonymous

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