Sunday, April 26, 2009

NON-AEROBIC BREATHING
Bigger muscles stimulate breathing. Although the body requires oxygen for metabolism, low oxygen levels do not stimulate breathing. Rather, breathing is stimulated by higher carbon dioxide levels.

Much of the lactic acid formed as a result of anaerobic metabolism dissociates into carbon dioxide and water. Carbon dioxide stimulates respiration. Therefore, anaerobic exercise is NOT aerobic just because you're breathing hard.

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