Across
- 4. carries iron
- 7. fluid sac heart
- 8. red blood cells
- 9. upper heart chambers
- 10. carry blood toward heart
Down
- 1. mostly water
- 2. help blood clotting
- 3. white blood cells
- 4. size fist
- 5. heart murmur
- 6. lower heart chambers
- 9. carry blood away heart