Homeostasis

• What is homeostasis?

  Maintenance of a constant internal environment
• Why is homeostasis important for cells?

  It maintains optimum conditions for enzyme function
• What two types of responses are used in body control systems?

  Nervous and chemical
• What are the three components of all control systems?

  • Receptors
  • Coordination centres
  • Effectors
• What is the function of a receptor?

  Detect changes in the environment
• What is the function of a coordination centre?

  Obtain and process information from receptors
• What is the function of an effector?

  Bring about responses to stimuli