When we take in air,the size of the chest cavity will?
Answers
Answered by
2
Answer:
When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward. This makes the chest cavity bigger and pulls air through the nose or mouth into the lungs.
Answered by
0
Answer:
increase
Explanation:
the diaphragm will be pulled down in order to make space for the air in the lungs.
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