Question

_ helps in breathing​

Answer 1

Answer:

lungs

Explanation:

Your main breathing muscle is the diaphragm. This divides your chest from your abdomen. Your diaphragm contracts when you breathe in, pulling the lungs down, stretching and expanding them. It then relaxes back into a dome position when you breathe out, reducing the amount of air in your lungs.

Answer 2

Answer:

Nose

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