Across
- 4. Fight or Flight
- 7. Chemical Electrical System
- 9. Change in environment
- 10. Maintain constant internal environment
Down
- 1. responds to the stimuli
- 2. Chemical System which is widespread
- 3. send messages to parts of your body
- 4. helps control the water level
- 5. Helps control Sugar levels
- 6. Nerve Cell
- 8. detects the stimuli