Endocrine, Immune, and Integumentary Systems
Across
- 2. chemical molecules which travel through the blood to affect body systems
- 4. secrete into body cavities or onto surfaces through ducts
- 6. foreign particle in the body
- 7. white blood cell
- 8. control of the body temperature
- 9. system which protects the body from infection
Down
- 1. composed of the skin, hair and glands associated with the skin
- 3. weakened or killed antigen which when injected promotes immunity
- 5. oil glands