Science, asked by Ramneekkaurkalra, 1 year ago

what is process of heart

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Answered by Shreyaarai1212
1
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Answered by deepa70
4
HEYA...

This happens through the passive process of diffusion.

In the left heart, oxygenated blood is returned to the left atrium via the pulmonary veins. ...

In the capillaries, oxygen and nutrients from blood are supplied to body cells for metabolism, and exchanged for carbon dioxide and waste products.
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