Across
- 4. chronic lung disorder that causes airways to become inflamed
- 5. Y-shaped protein made by B cells
- 6. unable to see things clearly unless they are relatively close to the eyes
- 8. conditions or practices(as of cleanliness)necessary for health
- 9. a bacteria that causes disease
- 10. a disease that is contagious
- 11. converting waste into reusable material
- 13. use again or more than once
Down
- 1. unable to see things clearly, especially if they are relatively close to the eyes
- 2. any of the white blood cells of the immune system that play a role in recognizing and destroying foreign cells, particles, or substances that have invaded the body
- 3. a disease that persists for a long time
- 7. what we use to measure sound
- 11. decline
- 12. decayed material used as plant fertilizer