B4:Homeostasis

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Across
  1. 4. happens to enzymes at 37 degrees
  2. 6. level an element that has to be kept steady
  3. 8. Keeping a steady state in the body
  4. 11. Happens to the blood vessels when temperatures are low
  5. 15. Happens when body temperature is below 35 degrees
  6. 16. site Also known as lock and key
  7. 17. Feedback Brings the body back to its normal state
  8. 18. Happens in the blood vessels when temperatures are high
  9. 20. A harmful substance found in urine
Down
  1. 1. Controls water levels in the body
  2. 2. A way of releasing energy
  3. 3. Happens across a partially permeable membrane
  4. 5. Most important gas to the body
  5. 7. a form of protein in the body
  6. 8. The processing centre
  7. 9. centre receives and processes information
  8. 10. A level that enzymes work best at
  9. 12. a hormone found in the pituitary gland
  10. 13. Is a key factor in denaturing and health
  11. 14. contain a nucleus and found everywhere inside the body
  12. 19. An artificial for of negative feedback