16th October 2019

wikibooks
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How is the human respiratory system regulated?

Homeostasis is maintained by the respiratory system in two ways: gas exchange and regulation of blood pH. Gas exchange is performed by the lungs by eliminating carbon dioxide, a waste product given off by cellular respiration.

Herein, what controls the rate of breathing?

This control is automatic, involuntary and continuous. You do not have to consciously think about it. The respiratory center knows how to control the breathing rate and depth by the amount (or percent) of carbon dioxide, oxygen and acidosis in the arterial blood (Willmore and Costill, 2004).

What controls the rate and depth of breathing?

The respiratory centers that control your rate of breathing are in the brainstem or medulla. If the oxygen concentration in the blood decreases, they tell the respiratory centers to increase the rate and depth of breathing.

What determines the rate of breathing?

To adjust your breathing to changing needs, your body has many sensors in your brain, blood vessels, muscles, and lungs. Sensors in the brain and in two major blood vessels (the carotid (ka-ROT-id) artery and the aorta) detect carbon dioxide or oxygen levels in your blood and change your breathing rate as needed.
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