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According to WebMD, cardiac output is greatest during intense exercise and when a person is approximately in his 20s. The more intense the exercise, the more blood the body's muscle demand from the heart and, therefore, ... More »

Factors that affect cardiac output in a healthy patient include heart rate, change in position and certain activity of the nervous system, according to Vascular Concepts. Cardiac output refers to the volume of blood the ... More »

The formula calculating work output is F*D/T, where F is the force exerted, D is the distance and T is the time. The work output of a system is also described as its Power. More »

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