What are the special cells called that detect carbon dioxide levels in blood?

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Multiple Choice

What are the special cells called that detect carbon dioxide levels in blood?

Explanation:
Chemoreceptors monitor chemical changes in the blood, including carbon dioxide levels and pH. Central chemoreceptors in the brainstem sense CO2 indirectly through the pH of cerebrospinal fluid, while peripheral chemoreceptors in the carotid and aortic bodies detect arterial CO2 and pH. When CO2 rises or pH falls, these receptors signal the respiratory centers to increase ventilation, helping to remove CO2 and restore balance. In contrast, baroreceptors detect blood pressure, photoreceptors respond to light, and mechanoreceptors respond to mechanical forces like stretch or pressure, so they don’t specifically monitor CO2 levels.

Chemoreceptors monitor chemical changes in the blood, including carbon dioxide levels and pH. Central chemoreceptors in the brainstem sense CO2 indirectly through the pH of cerebrospinal fluid, while peripheral chemoreceptors in the carotid and aortic bodies detect arterial CO2 and pH. When CO2 rises or pH falls, these receptors signal the respiratory centers to increase ventilation, helping to remove CO2 and restore balance. In contrast, baroreceptors detect blood pressure, photoreceptors respond to light, and mechanoreceptors respond to mechanical forces like stretch or pressure, so they don’t specifically monitor CO2 levels.

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