The body can sense when it is deprived of oxygen and regulate breathing accordingly. See the Carotid body [1] [1] https://en.wikipedia.org/wiki/Carotid_body ht

The body can sense when it is deprived of oxygen and regulate breathing accordingly. See the Carotid body [1] [1] https://en.wikipedia.org/wiki/Carotid_body https://en.wikipedia.org/wiki/Carotid_body