aqa additional biology - homeostasis

HideShow resource information
  • Created by: zofia
  • Created on: 12-04-11 17:21

homeostasis is how your body maintains its internal body temperature, 37oc.

if the body is cold, there are a number of things it will do to try and heat up:

  • erection of hairs - this traps a layer of insulating air next to the skin
  • shivering - respiration occurs, which makes the muscles move, which produces heat
  • blood vessels near the surface of the skin get smaller (vasoconstriction) - so less blood goes near the surface, so less heat is given out

if the body is cold, there are things it does to try and cool down:

  • sweating - as

Comments

Vivaaa

'if the body is cold, there are things it does to try and cool down'

*should be hot...

Similar Biology resources:

See all Biology resources »See all Homeostasis resources »