Across
- 4. pumps blood to the lungs
- 7. contagious, a disease that is spread from person to person
- 8. chemicals that help white blood cells destroy germs
- 11. blood vessels that carry blood away from your heart
- 12. carry oxygen to body cells and take away carbon dioxide
- 13. a microorganism that causes disease - virus, germ, plant or animal
- 15. tubes that carry blood
Down
- 1. the muscle that pumps blood through your veins
- 2. blood cells that attack and destroy germs
- 3. waiting room in the heart
- 5. tiny, thin blood vessels that touch almost every cell in your body
- 6. pumps blood through the body
- 9. tiny blood cells that weave thin threads over a cut
- 10. blood vessels that carry blood toward your heart
- 14. the liquid part of blood