Term
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Definition
| animals that create their own heat |
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Term
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Definition
| animals that gain heat from external sources |
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Term
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Definition
| transfer of heat between molecules in direct contact |
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Term
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Definition
| transfer of heat by movement of air or liquid |
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Term
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Definition
| emmission of electromagnetic waves, transfers heat to things not in direct contact |
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Term
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Definition
| loss of heat from a liquid losing molecules as a gas |
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Term
| metabolic heat production |
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Definition
| hormonal changes to boost metabolic rates and heat production |
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Term
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Definition
| an adaption of a warm covering, like fur or feathers |
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Term
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Definition
| heat loss change by altering blood flow, gained by evolution |
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Term
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Definition
| increase in heat loss by evaporation and convection |
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Term
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Definition
| migration, shade of sun, bathe, warm clothes |
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Term
| countercurrent heat exchange |
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Definition
| warm and cold blood flow past each other in opposite directions, exchanging heat |
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Term
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Definition
| maintenence of body temperature in narrow limits |
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Term
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Definition
| lowering of body temperature to slow metabolism |
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Term
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Definition
| increased blood vessel size allows for increased heat loss |
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Term
| blood vessel constriction |
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Definition
| less blood flows from body core to surface, reducing heat loss |
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Term
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Definition
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Term
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Definition
| may occur by conduction, convection, radiation or evaporation |
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Term
| optimal temperature range |
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Definition
| temperature needed to for cells to function properly |
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Term
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Definition
| state with reduced temperature and metabolic rate |
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