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23 votes
1. During inhalation the diaphragm contracts or moves down, what happen to the chest

cavity?
a. Expand
b. relax c. moves up
d. the same position​

User Nextar
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1 Answer

13 votes
1. During inhalation the diaphragm contracts or moves down, what happen to the chest
cavity?
a. Expand
User Josephap
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3.6k points