Across
- 4. two or more organs working together to perform specific functions
- 5. body part organized to perform a specific function
- 8. organized groups of similar cells
- 9. all chemical reactions that occur within an organism to maintain life
- 10. chemical combinations of two or more atoms
Down
- 1. the processes that maintain homeostasis
- 2. the speed at which the body consumes energy
- 3. a state of regulated physiological balance
- 6. tiny particles of matter
- 7. transmitter that senses environmental changes