Across
- 4. Type of feedback that increases change
- 6. State of balance in the body
- 8. Carries out the body’s response
- 10. Fluid that transports oxygen and nutrients
- 11. Basic unit of life
- 12. A change that causes a response
- 13. A living thing
- 16. Structure made of tissues with a specific function
- 17. Reaction to a stimulus
- 18. Substances the body needs for energy and growth
Down
- 1. Measure of body heat
- 2. Maintaining stable internal conditions
- 3. Protective outer layer of a cell
- 5. Group of organs working together
- 7. Process that regulates body conditions
- 9. Detects changes in the environment
- 13. Gas needed for cellular respiration
- 14. Type of feedback that reverses change
- 15. Group of similar cells working together
- 19. Control center of the cell