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Which of the following statements regarding the regulation of respiration is correct?


 

Option: 1

The primary control center for respiration is located in the medulla oblongata of the brain.


Option: 2

Oxygen levels have a direct effect on the regulation of respiration.


Option: 3

Carbon dioxide levels primarily regulate the rate of respiration.

 


Option: 4

Respiration is solely under voluntary control.


Answers (1)

best_answer

The principal control center for respiration is found in the brainstem, in the medulla oblongata. The medulla contains specialized groupings of neurons known as respiratory centers, which include the dorsal respiratory group (DRG) and the ventral respiratory group (VRG). These centers are in charge of generating the basic breathing rhythm and pattern. The DRG is primarily in charge of inspiration, whereas the VRG is in charge of both inspiration and expiry. These respiratory centers collect information from many sensors throughout the body and alter the pace and depth of breathing to keep blood oxygen and carbon dioxide levels stable.

Hence, option 1 is the correct answer.

Posted by

vishal kumar

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