Nervous System Activity :)

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Across
  1. 3. the number of halves of the brain
  2. 4. things that obtain information from the outside world
  3. 7. Neurons that connect two other neurons.
  4. 9. controls the contraction of skeletal muscles
  5. 11. The _______ nervous system includes the brain and spinal cord
  6. 12. The ___________ nervous system includes includes all nerves and neurons that are not in the central nervous system
Down
  1. 1. Any change or signal in the environment that can make an organism react.
  2. 2. a bruise-like injury of the brain
  3. 5. all neurons connect to this
  4. 6. a bundle of nerve fibers(axons and dendrites)
  5. 8. the junction where axon tips can transfer a nerve impulse to another structure
  6. 10. The number of types of neurons.