5.1-homeostatis

• What is homeostasis?

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

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

  Nervous and chemical
• What are examples of conditions maintained by homeostasis in the body?

  • Blood glucose concentration
  • Body temperature
  • Water levels
• What are the three components of all control systems?

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

  Receptors detect changes in the environment
• What is the function of an effector?

  Effectors bring about responses to stimuli
• What is the function of a coordination centre?

  Coordination centres process information from receptors