amixMjhenstep amixMjhenstep
  • 03-02-2017
  • Biology
contestada

How does the diaphragm work to change air pressure in the lungs, and as a result, cause breathing?

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wolfspirit
wolfspirit wolfspirit
  • 08-02-2017
Diaphragm's Role in Breathing. When the diaphragm contracts and moves lower, the chest cavity enlarges, reducing the pressure inside the lungs. To equalize the pressure, air enters the lungs. When the diaphragm relaxes and moves back up, the elasticity of the lungs and chest wall pushes air out of the lungs.
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