Across
- 3. A filament that is part of a neuron that receives the electrical impulse
- 4. A tissue that secretes hormones
- 9. A response that counteracts a stimulus
- 11. The section of the brain that interprets signals from the body to ensure homeostasis
- 12. A hormone released by the pancreas that raises blood glucose levels
- 13. Maintaining a balanced internal environment, by responding to changes in the external environment
- 14. An organism that causes a disease in a host
- 15. A specialised cell that carries messages throughout the nervous system
Down
- 1. The constriction of blood vessels
- 2. A detectable change in the environment that can be detected by a receptor
- 5. A chemical messenger that carries a chemical message from one neuron to another
- 6. A hormone released by the pancreas that lowers blood glucose levels
- 7. A chemical secreted by a gland that triggers a response in certain cells
- 8. A specialised cell or organ that detects changes
- 10. A protein that increases the rate of a specific chemical reaction in the body
