Five-year-old Charlie is so mad that he's holding his breath until he gets his way. What will stimulate his breathing rate to return to normal?

A) lack of sensory information being sent to central chemoreceptors
B) lack of oxygen
C) lack of sensory information being sent to peripheral chemoreceptors
D) accumulation of partial pressure of carbon dioxide (PCO2 )


Answer: D

Anatomy & Physiology

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