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Unformatted text preview: air and pulmonary capillary blood. Besides partial pressure gradients, diffusing capacity can be affected by other factors: l. The thickness of the membrane -of the diffusion Diftusing @ictiGlungTiseases such as pulmonary' 2. The number of red blPqd celq bin concentration because una Or does not exert a partial pressure' 3. The surface area of the respiratory membrane available for diffusion - diffusing-Diffusing capacity can increase up to three times resting values during heary aerobic exercise. Mechanisms: 1. Increased lung volumes during exercise --> increased surface area for diffusion 2. Opening up of more capillaries in the lung and greater volume of blood flowing through the lung. II. GAS TRANSPORT...
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This note was uploaded on 12/29/2011 for the course KIN 142 taught by Professor Asmundson during the Fall '09 term at Simon Fraser.
- Fall '09