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The physiological process of inhaling and exhaling air for the purpose of gas exchange in the lungs.

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How is breathing involuntary if the muscles that control it are skeletal?

Breathing is much the same way. There is BOTH a degree of conscious control from the cortex, and a basal regulatory system in the brain stem that keeps things going below conscious perception. … Another way to look at this is that the conscious control from the cortex modulates the medulla based breathing system. …
Zachary Miller's user avatar