About: Thermoregulation   Sponge Permalink

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NOTE: This article is about thermoregulation in mammals - specifically humans. You do not have to know about this in other species. Thermoregulation is very important in mammals as the body temperature must be maintained at around 37oC. This is very high compared to the ambient temprature of most parts of the world, thus heat is lost all the time by conduction, convection, radiation and evaporation. In order to keep the temperature constant the body must do two things – produce heat inside the body and prevent too much heat being lost. The temprature must be kept constant as with higher temperatures enzymes are denatured and with lower temperatures enzymes and molecules function much slower due to particle theory – both these result in metabolic reactions slowing down.

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  • Thermoregulation
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  • NOTE: This article is about thermoregulation in mammals - specifically humans. You do not have to know about this in other species. Thermoregulation is very important in mammals as the body temperature must be maintained at around 37oC. This is very high compared to the ambient temprature of most parts of the world, thus heat is lost all the time by conduction, convection, radiation and evaporation. In order to keep the temperature constant the body must do two things – produce heat inside the body and prevent too much heat being lost. The temprature must be kept constant as with higher temperatures enzymes are denatured and with lower temperatures enzymes and molecules function much slower due to particle theory – both these result in metabolic reactions slowing down.
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  • NOTE: This article is about thermoregulation in mammals - specifically humans. You do not have to know about this in other species. Thermoregulation is very important in mammals as the body temperature must be maintained at around 37oC. This is very high compared to the ambient temprature of most parts of the world, thus heat is lost all the time by conduction, convection, radiation and evaporation. In order to keep the temperature constant the body must do two things – produce heat inside the body and prevent too much heat being lost. The temprature must be kept constant as with higher temperatures enzymes are denatured and with lower temperatures enzymes and molecules function much slower due to particle theory – both these result in metabolic reactions slowing down. The first two stages for either cooling or warming in mammals occour in the hypothalamus region of the brain. This contains many cells which monitor the temperature of the blood. From here nerve impulses are sent out to muscles and the skin.
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