A site set up to document my studies in IGCSE Biology; with notes on each objective covered that is necessary for the final IGCSE Examinations. Hope you enjoy!
Monday, 16 January 2012
2.77a Thermoregulation
Notes
Homeostasis = "conditions are kept constant"
-> Homeothermic = "maintaining constant temperature (internal)"
-> e.g. Mammals are homeothermic organisms, carry out thermoregulation
Why do mammals want to preserve homeothermic conditions?
Due to enzyme reactions, attempt to keep temperature at 'optimum temperature' for most efficient rates of reactions - therefore body functions
-> Optimum temperature = homeothermic temperature of that organism
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