Across
- 3. Carry oxygen and nutrients through the blood
- 4. Muscular pump that circulates blood through your body
- 6. Muscular sac that stores urine
- 7. Main organ of the respiratory system
- 9. Blood vessels that carry blood back to heart
- 13. Carries oxygenated blood back to heart
- 15. Vessels that carry blood away from the heart
Down
- 1. Carries deoxygenated blood to lungs for oxygenation
- 2. Fragments of cells that clot blood so wounds can heal
- 5. Filter blood and produce urine
- 6. The systems working together to keep you alive
- 8. Defend against foriegn invaders
- 10. Tube that food passes through to get to stomach
- 11. Largest vein, inferior and superior
- 12. Largest artery in the circulatory system
- 14. Most important respiratory system muscle, flexes, filling lungs with air