Across
- 2. positive ions are called?
- 8. building blocks of life
- 9. is sometimes referred to as "happy hormone"
- 11. strong base that dissolves in water
- 12. disease in which the body cannot properly control the amount of sugar in the blood
- 15. state in which body reaches its equilibrium
- 17. element commonly found in toothpaste
- 18. is sometimes referred to as "love hormone"
- 20. main organ in the nervous system
- 21. element that is commonly found in water, air and some rocks
- 22. branch of science that regulates matter, energy and their interactions
Down
- 1. organ system that contains the kidneys and bladder
- 3. element commonly found in milk
- 4. distance travelled per unit of time
- 5. element commonly found in bananas
- 6. substance secreted by the pancreas that turns sugar into energy
- 7. main organ in the circulatory system
- 10. amino acids needed by infants
- 13. organ system that contains the bones and the joints
- 14. branch of science that studies the animal kingdom
- 16. mass divided by volume
- 19. smallest matter