The carotid body is a: Lok Sewa Aayog 2079

  # The carotid body is a:
(A) pressure receptor 
(B) pH receptor 
(C) osmo receptor 
(D) chemo receptor

The correct answer is D. Chemo receptor. 

The carotid body is a chemoreceptor. It is a small cluster of specialized cells located near the bifurcation of the common carotid artery in the neck. The carotid body senses changes in the levels of oxygen, carbon dioxide, and pH in the blood and sends this information to the brainstem, where it is used to regulate breathing rate and other physiological responses. The carotid body is an important component of the body's homeostatic control mechanisms, helping to ensure that oxygen levels in the blood are maintained within a narrow range.

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