B4:Homeostasis
Across
- 3. a hormone found in the pituitary gland
- 5. The processing centre
- 6. Keeping a steady state in the body
- 7. A level that enzymes work best at
- 9. Is a key factor in denaturing and health
- 11. Happens in the blood vessels when temperatures are high
- 12. Happens when body temperature is below 35 degrees
- 14. site Also known as lock and key
- 15. centre receives and processes information
- 19. Most important gas to the body
- 20. Feedback Brings the body back to its normal state
- 21. A harmful substance found in urine
Down
- 1. Controls water levels in the body
- 2. Happens to the blood vessels when temperatures are low
- 4. happens to enzymes at 37 degrees
- 8. A way of releasing energy
- 10. Happens across a partially permeable membrane
- 13. a form of protein in the body
- 16. contain a nucleus and found everywhere inside the body
- 17. level an element that has to be kept steady
- 18. An artificial for of negative feedback