Which statement correctly explains why respiration rate elevates with exercise as compared to at rest. A) oxygen from the blood diffuses into the alveoli for expulsion through exhalation at a faster rate inguinal nodes B) oxygen from the alveoli diffuses into the capillaries for expulsion through exhalation at a faster rate C) carbon dioxide from the alveoli diffuses into the capillaries for expulsion through exhalation at a faster rate D) carbon dioxide from the blood diffuses into the alveoli for expulsion through exhalation at a faster rate

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