AQA GCSE Biology Paper 2 Homeostasis 1

1234567891011121314151617181920
Across
  1. 4. The type of cell that transfers electrical impulses
  2. 5. The maintenance of a constant internal environment for optimal conditions
  3. 7. Muscles and glands are examples of...
  4. 10. The neurone that connects the sensory and motor neurone
  5. 11. The long fibre of a neurone
  6. 12. This system send messages as chemicals through your bloodstream
  7. 14. This could happen to an enzyme if it gets too hot
  8. 15. This system send messages through your body as electrical impulses
  9. 17. The area of the nervous system that receives and processes information
  10. 19. You would expect a persons reaction time to... if they have consumed caffein (a stimulant)
  11. 20. The branches of a neurone
Down
  1. 1. The insulating layer around the axon of a nerve cell
  2. 2. At least how many drop trials need to be done in the reaction time practical to then calculate a mean?
  3. 3. The chemical message that gets passed across the synapse
  4. 6. Reflex messages do not pass through the...
  5. 8. The message that is sent down a neurone
  6. 9. The junction between two neurons
  7. 13. What you body uses to detect a stimulus
  8. 16. What could be used instead of the ruler drop to measure reaction time?
  9. 18. An automatic response to a stimulus