Circulatory System
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1) How does the decrease in vital capacity potentially influence an individual's athletic performance or aerobic condition as aging occurs?
2) What is the functional nature of a "portal system" and how does it differ from normal venous return flow?
3) Why might a clot in the lungs (a pulmonary embolism) occur after a deep vein thrombosis in the leg?
4) Name the section of descending aorta inferior to the diaphragm?
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Solution Summary
The following posting discusses aspects of the circulatory system. Concepts discussed include athletic performance, portal systems, thrombosis and sections of the system.
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1) The vital capacity is the maximal amount of air that can be exhaled by the person after a maximal inhalation. It basically is a measure of how much air we can push out of our lungs using all of our strength. A decrease in this capacity means that a decrease in the capacity to exchange air. Since vital capacity relies on a number of factors, such as the elasticity of the tissues and the ability of musculature to help inhale and exhale, a decrease in VC is often viewed as a general ...
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