miaitsolajide miaitsolajide

21-04-2020
Biology

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Please can you explain the path in which oxygen takes to get to the blood stream

ps:mia hmu

Respuesta :

steppa22 steppa22

21-04-2020

Answer:

The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place.The transfer of oxygen into the blood is through simple diffusion. The oxygen-rich blood returns to the heart

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