Across
- 4. information from the environment
- 5. nervous system made up of nerves and neurones
- 8. type of effector
- 9. nervous system consisting of brain and spinal cord
- 11. action resulting from stimuli
- 12. brain function in a voluntary response
- 13. type of sensory organ
- 14. surrounded by a protective fibrous tube
Down
- 1. nerve that links brain to arms, legs, thorax, abdomen
- 2. electrical signal carried along a nerve cell
- 3. a type of involuntary action
- 6. other name for involuntary action
- 7. organs that bring about actions
- 9. nerve that connects brain with organs in the head
- 10. receive sensory input from the environment