Across
- 3. are the solids in blood, consisting mainly of blood cells and cell parts.
- 4. allows your body to respond to stress.
- 8. The main organ of the circulatory system is the
- 9. are stored in the epididymis, a network of tubes located behind the testes.
- 11. 80% of all _______________ are inguinal.
- 13. Lung cancer and __________ are two respiratory problems that are linked to smoking.
- 15. The pituitary gland signals other glands to produce _______________ when needed.
- 16. The endocrine system is a(n) _______________ communication system that controls many body functions.
- 17. When you inhale, your diaphragm moves
- 18. usually lasts from 3 to 7 days and happens about every 28 days.
- 20. The joining of the female's egg cell and the male's sperm cell is called _______________.
Down
- 1. When you exhale, your diaphragm moves
- 2. A(n) _______________ is a group of cells or an organ that secretes a substance.
- 5. The most common problem of the endocrine system is
- 6. Blood can be replaced by means of a
- 7. also called high blood pressure, can lead to kidney failure, heart attack, or stroke.
- 10. is the liquid part of blood
- 12. is a serious chronic condition that causes tiny air passages in the respiratory system to become narrow or blocked.
- 14. Ovulation is the release of one mature _______________ cell each month.
- 19. is the exchange of gases between your body and the air.