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(Types of respiration, All living cells respire to release energy for…
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All living cells respire to release energy for making new substances, moving, etc.
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Anaerobic respiration does not require oxygen. In humans it is used to release energy from glucose during strenuous exercise.
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After strenuous exercise, the body needs extra oxygen. This excess post-exercise oxygen consumption (EPOC) (or ‘oxygen debt’) replenishes oxygen stores, and supplies oxygen for aerobic respiration to provide energy for removing lactic acid.
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When you exercise, your breathing rate (number of breaths in one minute) and your pulse rate (number of times your heart beats in one minute) increase. This is because your cells need more oxygen and glucose for espiration.
Breathing is the movement of muscles in the diaphragm and attached to the ribs. These movements change the volume of the chest.
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● Pressure outside is now higher than inside the lungs, so air flows into the lungs. Breathing in (exhalation):
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● Pressure inside the lungs is now higher than outside, so air flows out of the lungs.
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Nicotine makes arteries narrower, causes heart disease
Tar can cause cancer, coats lungs reducing surface area, can cause alveoli to break apart (emphysema)
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Means, estimates and ranges
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