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Answer:
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Answer:
Explanation:
a) During aerobic exercise, you breathe faster and deeper than when your heart rate is at rest. You're maximizing the amount of oxygen in the blood. Your heart rate goes up, increasing blood flow to the muscles and back to the lungs. During anaerobic exercise, your body requires immediate energy.
b) breathing is the biological process of inhaling and exhaling of the gases between the cells and the environment. The mechanism of breathing involves various respiratory structures such as the windpipe, lungs, and nose. Respiration, on the other hand, is a chemical process that takes place in the cell.
c)During inhalation, the lungs expand with air and oxygen diffuses across the lung's surface, entering the bloodstream. During exhalation, the lungs expel air and lung volume decreases. ... During exhalation, the diaphragm is relaxed which decreases the volume of the lung cavity.
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