Biology, 31.07.2019 15:40 jasminecoronetti44

During exhalation the diaphragm a. expands and moves up while the rib cage moves out and down. b. and the rib cage return to their normal resting positions c. contracts and moves down while the rib cage moves down and in. d. contracts and moves down while the rib cage moves out and down.

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During exhalation the diaphragm a. expands and moves up while the rib cage moves out and down. b. an...