Nervous System

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Across
  1. 2. When the nerve impulse is initiated the action potential is created
  2. 3. A detectable change in the external or internal environment of an organism
  3. 6. Neurones are separated by gaps called
  4. 7. Detects stimulus (one form of energy) and converts this electrical energy to send the information as an electrical impulse to the central nervous system via neurones
Down
  1. 1. potential When no impulse is being sent the inside of the cell has a negative electrical charge compared to the outside, this is known as the
  2. 4. A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain.
  3. 5. Receives electrical impulses from the CNS and brings about a response