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Biology, 31.07.2019 22:20 arturocarmena10
During inhalation,
a) the volume of the thoracic cavity decreases.
b) the diaphragm and rib muscles contract.
c) air moves up the trachea. the diaphragm relaxes.
d) oxygen molecules move into the lungs, and carbon dioxide molecules move out of the lungs.
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During inhalation,
a) the volume of the thoracic cavity decreases.
b) the diaphragm an...
a) the volume of the thoracic cavity decreases.
b) the diaphragm an...
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