homeostasis

• ENERGY LOSS and ENERGY GAIN from your body need to be balanced so that your body temperature stays CONSTANT.

controlling body temperature requires..

• Temperature receptors in the skin to detect the external temperature.
• Temperature receptors in the brain to measure the temperature of blood.
• The brain which acts as a processing centre, to recieve information from the temperature receptors responding by triggering the effectors.
• Effectors (sweat glands and muscles