The nervous system

• what are the two systems that make up the nervous system?

  CNS: Central nervous system (brain and spinal cord)

  PNS: Peripheral nervous system (all other nerves)
• What is a ruler drop test?

  an experiment to test reaction times:

  1.drop ruler between finger and thumb.

  2.measure distance fallen before caught, repeat and calculate mean.
• what is the order during a nervous response?

  stimulus, sensory receptor, sensory neurone, motor neurone, effector