Anonymous Answered question October 25, 2020
The diaphragm is a large muscle that separates the thoracic cage (the area where your lungs are located) from your abdomen. When the diaphragm contracts, the volume of the thoracic cavity increases and air is drawn into the lungs. Without a diaphragm any living mammal would not be able to breathe.
Emily Changed status to publish January 18, 2019
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