When CO_2 concentration in blood increases,br | vedclass

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(B) The respiratory rhythm center in the medulla region of the brain is highly sensitive to $CO_2$ and hydrogen ions.When the concentration of $CO_2$

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(B) The respiratory rhythm center in the medulla region of the brain is highly sensitive to $CO_2$ and hydrogen ions.When the concentration of $CO_2$ in the blood increases,these chemoreceptors are activated.They send signals to the respiratory rhythm center to increase the rate of inspiration and expiration.Therefore,breathing becomes faster and deeper to eliminate the excess $CO_2$ from the body.

When $CO_2$ concentration in blood increases,breathing becomes

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