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