During normal breathing, what is the usual stimulus for a person to take a breath? a. a decrease in pH of the cerebrospinal fluid b. stimulation by norepinephrine c. PCO2 in the blood drops below 40 mmHg

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Kyorilys asked Apr 18, 2022

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During normal breathing, what is the usual stimulus for a person to take a breath?

a. a decrease in pH of the cerebrospinal fluid

b. stimulation by norepinephrine

c. PCO2 in the blood drops below 40 mmHg

d. PO2 in the blood drops below 100 mmHg

Biology
high-school

Kyorilys asked Apr 18, 2022

by Kyorilys

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Deepak Shajan answered Apr 22, 2022

by Deepak Shajan

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