What happens when the diaphragm contracts? A. The rib cage moves down. B. The volume of the thoracic cavity increases. C. The diaphragm rises. D. The volume of the thoracic cavity decreases. - Qammunity.org

What happens when the diaphragm contracts? A. The rib cage moves down. B. The volume of the thoracic cavity increases. C. The diaphragm rises. D. The volume of the thoracic cavity decreases.

asked Nov 19, 2020 52.4k views

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