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The arterial-venous oxygen difference. During intense exercise, the difference can increase to 17-18 ml per 100 ml of blood. |
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Diffusion through tissues. The rate of diffusion through a tissue such as the respiratory membrane is proportional to the surface area and the difference in the partial pressure of gas between the two sides of a tissue. The greater the pressure gradient for oxygen is across the respiratory membrane, the more rapidly oxygen diffuses across it. |
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A molecule that transports oxygen in the muscle to the mitochondria. Similar to hemoglobin, it has a greater affinity for oxygen. |
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The individual pressures from each gas in the mixture that composes the air we breathe. |
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Breathing. The process by which we move air in and out of lungs |
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The amount of air entering and leaving the lungs with each breath. |
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