Across
- 4. Cell structure that detects changes in the environment (9 letters)
- 6. Change within the body that triggers a response (15 letters)
- 7. Cell that transmits electrical impulses in the nervous system (6 letters)
- 10. Process by which the body maintains a stable internal environment (12 letters)
- 13. Chemical messenger released by glands to regulate body functions (7 letters)
- 14. Organ that secretes hormones or other substances (5 letters)
Down
- 1. Action taken as a result of a stimulus (8 letters)
- 2. Brain region that processes information and coordinates responses (13 letters)
- 3. Message or indication sent to trigger a response (6 letters)
- 5. Change in the environment that prompts a response (17 letters)
- 8. Part of the body that carries out a response (8 letters)
- 9. Tissue responsible for movement in the body (6 letters)
- 11. Plurals of things that provoke a reaction (7 letters)
- 12. A group of tissues working together to perform a function" (5 letters)