Nervous system Responses

• 1. stimulus


  a change in the environment (stimulus) is detected by receptors
• 2. receptors 


  information from receptors passes along cells (neurones) to the CNS as electrical impulses
• 3. Coordination 


  The CNS coordination the body response to the stimulus
• 4. Effectors 


  Effectors bring about a responses, such as glands secreting hormones or muscles contracting
• 5. Response 


  The body respond to the stimulus