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aleksandrvk [35]
3 years ago
5

How do gases move in andout

Biology
1 answer:
deff fn [24]3 years ago
6 0

Answer:

Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.

Explanation:

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