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What part makes your lungs inflate (expand) and deflate (contract)? A.Diaphragm B.Trachea C.Lungs D.Heart

What part makes your lungs inflate (expand) and deflate (contract)? A.Diaphragm B.Trachea C.Lungs D.Heart
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4 votes
What part makes your lungs inflate (expand) and deflate (contract)?

A.Diaphragm
B.Trachea
C.Lungs
D.Heart

User Derek Chadwell
by
8.5k points

2 Answers

0 votes
The answer is A, the Diaphragm
User LHA
by
7.6k points
5 votes

Answer:

A. Diaphragm

Step-by-step explanation:

These muscles contract when we breathe in, expanding the lungs and taking in air.

User Ashish Kumar
by
8.6k points
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