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Dimas [21]
3 years ago
10

What organ is a muscle and expands and contracts to allow lungs to take in air

Chemistry
2 answers:
jeka57 [31]3 years ago
4 0

Answer:

Your diaphragm contracts and expands

Katyanochek1 [597]3 years ago
4 0

Answer:

The diaphragm

Explanation:

The diaphragm, located below the lungs, is the major muscle of respiration.

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