Across
- 4. reproductive glands in males
- 8. secretes adrenaline which speeds up heart rate and metabolism
- 10. regulate the amount of calcium in the blood
- 14. doctor who specializes in treating pregnant women
- 15. a green liquid stored in the liver that breaks down fats
- 16. produces pancreatic juice for digesting
- 18. cord that brings nutrition to the fetus
- 19. male hormone that regulates sexual characteristics
- 22. system that regulates hormones in the body
- 24. valve that opens and closes to allow food into or out of the stomach
- 25. reproductive glands in women
- 26. secretes bile
- 27. throat
- 28. hairlike projections in the small intesting that absorb nutrients
- 29. fertilizes the egg
Down
- 1. stores bile
- 2. thick liquid mix of food and gastric juices for digestion
- 3. attaches to the uterine wall
- 4. regulates metabolism
- 5. number of days that the stomach regenerates a new lining
- 6. large intestine where undigested food particles go to exit the body
- 7. hormone that regulates sleep
- 9. occurs when the sperm penetrates the ovum
- 11. egg
- 12. reproductive glands
- 13. wavelike contractions that push food through the digestive tract
- 16. "master" gland
- 17. stage that occurs when the blastocyst attaches to the uterine wall
- 20. joins mouth/throat to stomach--food travels through it via peristalsis
- 21. female hormone that regulates sexual characteristics
- 22. protein molecules that activate chemical reactions in the body
- 23. gland that regulates waking, sleeping cycles