body temp

• normal body temp

  37C
• when body temp rises

  temperature receptors detect this. The thermoregulatory centre acts as a coordination centre - courses you to sweat and your blood vessels dilate (vasodilation). Hair erector muscles relax. body cools down - negative feedback
• body temperature falls

  temperature receptors detect this. thermoregulatory centre acts as a coordination centre. Hairs stand uo ti trap an insulating layer. Blood vessels constrict (vasoconstriction) causes you to shiver/muscles to contract. the body warms up - negative feedback