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Air moves into the lungs when the diaphragm muscle relaxes and moves up relaxes and moves down contracts and moves up contracts and moves down

Air moves into the lungs when the diaphragm muscle relaxes and moves up relaxes and moves down contracts and moves up contracts and moves down
asked 185k views
3 votes
Air moves into the lungs when the diaphragm muscle

relaxes and moves up


relaxes and moves down


contracts and moves up


contracts and moves down

asked
User Cosmas
by
8.3k points

2 Answers

4 votes

Answer:

2

Step-by-step explanation:

when it relaxes it stops pushing air out

answered
User TyCobb
by
8.4k points
6 votes
Answer : relaxes and moves down
Hope that help :)
answered
User Amarok
by
8.8k points
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