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  • Created by: Salman
  • Created on: 10-03-13 19:16

Homeostasis is defined as the maintence of a stable internal enviroment despite changes to the external enviroment.

Factors that affect the activities in a cell


- if the temperature is too low metabolic reactions will slow down because particles have less kinectic energy, move slowly therefore fewer collisions. this reduces the rate of reaction.

-if temperature is too high, this denatures the proteins causing damage to various enzymes and cell membranes.

Amount of water

- Lack of water causes water in tissue fluid to move out of…


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