BIOL 2060 Final: Exam Formulas to use and why

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Many organisms have evolved ways to compensate for variations in environmental temperature by regulating body temperature. Organisms regulate body temperature by manipulating heat gain and loss. Hs = total heat stored in the body of an organism. Hm= heat gained from metabolism; metabolic heat is the energy released within an organism during the process of cellular respiration. Hcd= heat gained or lost through conduction; conduction is the movement of heat between objects in physical contact, as occurs when you sit on a stone bench on a cold winter day. Hcv= heat gained or lost through convention; convection: process of heat flow between a solid body and a moving fluid such as wind or flowing water. **during convention or conduction, the heat flow is always directed from the warmer region colder. Hr= heat gained or lost through electromagnetic radiation; all objects above absolute zero (-273c), give off electromagnetic radiation, but most obvious source is the sun.

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