asked 132k views
4 votes
What happens when the lungs recoil?

a. Ribs and diaphragm muscles contract.
b. Expiration occurs.
c. Inspiration occurs.
d. Internal respiration occurs.

1 Answer

1 vote
B. Expiration occurs, when the lungs contract/ recoil, air rushes out which allows you to breathe out
answered
User Arno
by
8.2k points
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