Which of the following buffer systems of the body is affected by the action of the lungs?
belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:13| Question number:86
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Medicine
D: Exhaled CO 2 comes from the disassociation of the carbonic acid molecule which in turn forms when a hydronium ion (acid) combines with a bicarbonate ion. Hence, exhaling CO 2 reduces the amount of acid in the blood.
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