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Factors affecting heat loss from the body

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  • Essay length: 2324 words
  • Submitted: 20/03/2008
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GCSE Humans as Organisms

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Factors affecting the rate of heat loss from the body

I am being asked to carry out a practical investigation which considers the factors affecting heat loss from the body. The aim of this investigation is to look at the effect of size on temperature loss in warm-blooded animals. I am going to discover and learn more about the relationship between objects and the rate at which they loose heat. I will be using beakers in correspondence to animals during this investigation. I will also be applying my knowledge of homeostasis in correlation to what I discover.

Homeostasis is the property of either an open system or a closed system, especially a living organism that regulates its internal environment so as to maintain a stable, constant condition. This need for constancy was recognised in the nineteenth century by Claude Bernard. He concluded: 'La fixité du milieu interieur est la condition de la vie libre.'1 Which means: 'The constancy of the internal environment is the condition of the free life.'

The temperature of environments inhabited by living organisms ranges from 90°C in hot spring to -40°C in the Arctic. Most organisms, however, live in

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