Across
- 3. The steady internal environment
- 4. Helps fighting infection by making body parts swelling
- 9. Living things that make us sick.
- 12. Also called nerve ending
- 13. Gap between neurones
- 15. _______ neurone carries decision from the brain to the muscles
- 16. Increases metabolism
- 17. A quick reaction without thinking
Down
- 1. Carries information from one neuron to the next
- 2. Widening of blood vessels
- 5. Insulation outside axon
- 6. Increases blood sugar
- 7. Detects stimuli
- 8. Endocrine system communicates via ____
- 10. Nervous system communicate via _____ signal
- 11. Any changes that make you respond
- 14. Always monitors internal environment