Gregursther
Gregursther Gregursther
  • 17-03-2016
  • Health
contestada

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

Respuesta :

risnerisaac
risnerisaac risnerisaac
  • 18-03-2016
It is the Diaphragm
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