Across
- 3. a large vein that pumps blood to the heart from other parts of the body.
- 5. They prevent blood from going back to where they came from.
- 7. one of the main organs that pumps blood throughout the body
- 9. a cell found circulating in the blood.
- 10. organs that take blood and nutrients away from the heart.
Down
- 1. the heart and cardiovascular system
- 2. these connect arteries and veins together.
- 4. A blood vessel that carries blood and nutrients to the heart.
- 6. A liquid that the heart pumps throughout the body.
- 8. the largest blood vessels in your body located on the top of the heart.