CHAPTER 7 - BODY COORDINATION
Across
- 6. Branches from the cell body that receive messages from other neurones
- 9. Part of the brain that is responsible for coordination and balance
- 10. A portion of the brain that constantly checks the internal environment of the body
- 13. All the chemical reactions occurring in the cells
- 16. The movement of particles of a substance from an area of high concentration to an area of low concentration
- 18. Any factor that stimulates a receptor and brings about a response
- 19. The lower half of the brain stem
- 20. An organic catalyst
Down
- 1. A substance that speeds up the rate of a reaction without being used up in the process
- 2. gland The endocrine gland that controls the activities of other endocrine glands; it is often called the ‘master gland’
- 3. Able to maintain a constant body temperature
- 4. Chemical substances that act as messengers in the body
- 5. The process of maintaining a constant internal environment
- 7. impulse The electrical message carried by a nerve cell
- 8. Organelles where cellular respiration occurs
- 11. Special cells that detect stimuli
- 12. A nerve fibre that sends nerve impulses away from the cell body
- 14. The organelle where proteins are manufactured
- 15. The space between two neurones
- 17. A nerve cell