2.88 Skin

1. Effecter and receptor 
2. Reacts to change in temperature, send the information to the CNS 
3. CNS responds to the change 
1. Done by sweating, to cool the body down 
2. The flow of blood is directed to the surface of the skin to increase the amount of heat lost due to conduction. This is called  Vasodilatation 
4. When temperate decreases
1. The body shivers
2. Blood is kept away from the skin to reduce heat loss, called vasoconstriction