B4:Homeostasis

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