Question #6428155Single Choice

Biology

Question

Which of the following best explains the relationship between carbon dioxide and breathing rate?

An increase in carbon dioxide in the blood leads to a decrease in breathing rate.

An increase in carbon dioxide in the blood stimulates an increase in breathing rate to expel excess carbon dioxide.

Carbon dioxide directly binds to oxygen in the blood to control breathing rate.

Carbon dioxide regulates blood pH by binding to hemoglobin in the lungs.

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