Across
- 1. composed of the skin, hair and glands associated with the skin
- 6. chemical molecules which travel through the blood to affect body systems
- 7. foreign particle in the body
- 8. white blood cell
- 9. oil glands
- 10. steroid hormone released by the corpus luteum that stimulates the uterus to prepare for pregnancy.
- 11. weakened or killed antigen which when injected promotes immunity
Down
- 2. secrete into body cavities or onto surfaces through ducts
- 3. system which protects the body from infection
- 4. control of the body temperature
- 5. a steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.