Health Test

2. name for a developing child
5. "emergency action" hormone
8. physical and chemical processes by which the body breaks down food and generates energy
9. doctor who provides primary care for children
10. regulates metabolism
11. means "large"
15. movement of water, digested food, and other dissolved substances into the bloodstream
16. structure that forms between the mother and unborn baby and does the work of three organs
18. "master gland"
19. regulates sleep
20. tissue surrounding a tooth and holding it into place
21. body's largest internal organ
23. the body's main source of energy should come from these
24. refers to the intestines

1. the proportion of nutrients compared to the number of calories the food contains
3. physical and chemical breakdown of complex nutrients into simpler, water-soluble substances the body can use
4. means "surrounding or enclosing"
6. regulates blood sugar
7. substances that neutralize free radicals
12. long chains of building blocks from which proteins are made
13. visible part of a tooth
14. means "science" or "study"
17. stimulates growth
21. fatlike substances typically insoluble in water
22. refers to the stomach
24. hardest substance in the body