The chemoreceptors located in the aortic and carotid bodies and the brain act on the respiratory center to control the blood ___________ and pH constant.

Question

Quizplus · Accepted Answer

The chemoreceptors located in the aortic and carotid bodies and the brain sense the levels of oxygen, carbon dioxide, and pH in the blood. If the levels of carbon dioxide and pH are too high, the chemoreceptors send signals to the respiratory center to increase the breathing rate, which helps to remove excess carbon dioxide and maintain proper blood pH levels. Choice B (pCO₂) is the only option that includes the variables carbon dioxide (pCO), oxygen (pO), and pH (pH), which are all important for blood gas regulation.

The Chemoreceptors Located in the Aortic and Carotid Bodies and the Brain