Control Systems

• What do all control systems include?

  -receptors

  -coordination centres

  -effectors
• What are receptors?

  Cells which detect stimuli
• What is stimuli?

  Changes in the environment
• Examples of coordination centres

  Brain, spinal cord and pancreas
• What do the coordination centres do?

  Receive and process information from receptors
• What do effectors do?

  Bring about responses that restore optimum levels
• Examples of effectors

  Muscles, glands
• What are effectors in the context of control mechanisms?

  Muscles or glands that bring about responses to restore optimum levels
• What is the purpose of effectors in a feedback loop?

  To produce a response that corrects any difference from the set point