Aortic and carotid bodies are A) the same as the SA and AV nodes. B) types of valves in the heart. C) present in the lungs. D) sensitive to changes in CO₂ and H⁺ in the blood. E) sensitive to oxygen changes.

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Aortic and carotid bodies are commonly referred to as chemoreceptors, which are sensitive to changes in the levels of oxygen and carbon dioxide in the blood. They are involved in regulating breathing patterns and blood pressure to maintain respiratory and cardiovascular homeostasis.

Aortic and Carotid Bodies Are