CHAPTER 7 - BODY COORDINATION

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