Across
- 4. the "upstairs" chambers of the heart
- 5. gas picked up by the blood in your lungs
- 7. blood cell required for the clotting process
- 10. the "downstairs"chambers
- 11. muscular wall that separates the heart into a right and left side
Down
- 1. the liquid part of blood
- 2. they control the flow of blood in your heart
- 3. blood cell that carries oxygen and carbon dioxide
- 6. blood cell that protects you from desease
- 8. blood vessel that carries blood back to the heart
- 9. blood vessel that carries blood away from the heart