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grin007 [14]
3 years ago
14

Air is forced into the lungs by the contraction of thea. alveoli.c. diaphragm.b. bronchioles.d. heart.

Biology
1 answer:
irina [24]3 years ago
4 0
I think the answers Diaphragm
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A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of pla
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