October 2021

What is the diaphragm?

The diaphragm is a large, dome-shaped muscle, located below the lungs. 1-2 It is the primary muscle involved in breathing.1-2When the diaphragm contracts, it allows for the expansion of the chest.1 This action allows air to be pumped into the lungs.2 When the diaphragm relaxes, and recoils back, the air the lungs is forced out.1 …

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