3 years ago

How does the respiratory system transport molecules?? Pls help it’s due in like 15 minutes

1 answer:

3 0

Answer:

Gas exchange during respiration occurs primarily through diffusion. Diffusion is a process in which transport is driven by a concentration gradient. Gas molecules move from a region of high concentration to a region of low concentration.

Explanation:

Brainliest Plz?

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