Air is forced into the lungs by the contraction of the
a. alveoli.
c. diaphragm.
b...
![Health](/tpl/images/cats/health.png)
Health, 27.09.2019 21:30, mariahrpoulin1511
Air is forced into the lungs by the contraction of the
a. alveoli.
c. diaphragm.
b. bronchioles.
d. heart.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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