Across
- 4. Blood without blood cells.
- 5. A Valve present in between the right chambers
- 7. Which supplies the blood to heart wall muscles
- 8. Thin walled blood vessels with valves
- 10. Upper chambers of heart
- 11. Lower chambers of heart
- 13. Protective outer covering of heart
Down
- 1. Biggest blood vessel in the human body
- 2. Which collect the blood from head & neck
- 3. Medium of transportation in humans
- 6. Thick walled & valve less blood vessel
- 9. A microscopic, hair like blood vessel
- 12. It is also called as Mitral valve