The respiratory centers in the brain are stim | vedclass

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(A) The respiratory rhythm center in the medulla region of the brain is primarily responsible for the regulation of respiration. This center is highly

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Amount of carbon dioxide in arterial blood

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(A) The respiratory rhythm center in the medulla region of the brain is primarily responsible for the regulation of respiration. This center is highly sensitive to the concentration of $CO_2$ and hydrogen ions $(H^+)$ in the blood. An increase in the concentration of $CO_2$ and $H^+$ ions in the arterial blood stimulates the chemosensitive area situated adjacent to the rhythm center. This stimulation triggers the respiratory center to increase the rate of breathing so that these substances can be eliminated from the body. Therefore,the primary stimulus for the respiratory center is the level of $CO_2$ in the arterial blood.

The respiratory centers in the brain are stimulated by which of the following?

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