Across
- 1. Protects the respiratory organs
- 3. Pumping organ of the body
- 7. also called bicuspid valve
- 9. carries blood towards the heart
- 10. Muscle of the heart
- 12. biggest artery
- 14. Prevents the backflow of the blood
- 15. channels the air towards the bronchi
Down
- 2. divides the heart into chambers
- 4. Receiving chamber
- 5. where gas change occurs
- 6. Pumping chamber
- 8. Circulation of blood between lungs and heart
- 11. carries blood away from the heart
- 13. Carries oxygen to be transported through out the body