Question

explain mchanism breathing.​

Answer 1

Explanation:

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

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Answer 2

Answer:

I think you should put up the question on the mechanism of respiration not on breathing.

Anyway, breathing is just inhaling and exhaling the air from the external environment.

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