The nervous system

12345678
Across
  1. 2. Speeds the rate
  2. 4. detects a stimulus ie a change in the environment
  3. 6. carry impulses from the CNS to cardiac muscle
  4. 7. A junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter
  5. 8. carry impulses from the CNS to skeletal muscles
Down
  1. 1. Consists of brain and spinal cord
  2. 3. Consists of all the motor and sensory neurones that are outside the CNS
  3. 5. Any of the cordlike bundles of fibres made up of neurons through which sensory stimuli and motor impulses pass between the brain or other parts of the central nervous system