Homeostatis

• Homeostasis


  The maintenance of a constant internal environment in order to maintain optimum conditions for enzyme and cellular function
• Conditions maintained by homeostasis in the body


  • Blood glucose concentration
  • Body temperature
  • Water levels
• Types of responses used in body control systems


  • Nervous
  • Chemical
• Components of all control systems


  • Receptors
  • Coordination centres
  • Effectors
• Receptor


  Detects changes in the environment (stimuli)
• Coordination centre


  Obtains and processes information from receptors
• Effector


  Muscles or glands that bring about responses to stimuli