The Breathing Rate Is Controlled by Chemoreceptors That Detect

question 23

Multiple Choice

The breathing rate is controlled by chemoreceptors that detect

• A) levels of oxygen in the alveolar air space.
• B) levels of oxygen in the blood.
• C) levels of carbon dioxide in the alveolar air space.
• D) levels of carbon dioxide in the blood.
• E) level of stretching of the rib muscles and diaphragm.

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