Biology, 24.08.2019 18:00, cody1097

17. how does movement of the rib cage change air pressure in the chest cavity?
when the rib cage rises, an increase in air pressure in the chest cavity causes air to rush into the lungs.
when the rib cage relaxes, an increase in air pressure in the chest cavity causes air to rush into the lungs.
when the rib cage rises, a decrease in air pressure in the chest cavity causes air to rush into the lungs.
when the rib cage relaxes, a decrease in air pressure in the chest cavity causes air to rush out of the lungs.

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17. how does movement of the rib cage change air pressure in the chest cavity?
when the rib...