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  • Which of the following is responsible for regulating the rate and depth of breathing?  Option: 1 Medulla oblongata<b

Which of the following is responsible for regulating the rate and depth of breathing?


 

Option: 1

Medulla oblongata


Option: 2

Pons


Option: 3

Cerebellum

 


Option: 4

Hypothalamus


Answers (1)

The medulla oblongata, located in the brainstem, is responsible for regulating the rate and depth of breathing. It contains specialized neurons called the respiratory center, which coordinate and control the process of respiration. The medulla oblongata monitors the levels of carbon dioxide (CO2) and pH in the blood. When the CO2 levels increase and the blood pH drops, the respiratory center in the medulla sends signals to increase the rate and depth of breathing, leading to the removal of excess CO2 from the body through expiration. Conversely, when CO2 levels decrease and blood pH rises, the respiratory center reduces the rate and depth of breathing.

Hence, the correct answer is option 1.

Posted by

Sumit Saini

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