Across
- 3. organ of the circulatory system
- 7. tissue type of the circulatory system
- 8. part of the heart that takes blood away from the heart to the lungs to receive oxygen
- 11. bottom chambers of the heart
- 12. cells that transport oxygen
Down
- 1. cells that fight infection
- 2. top chambers of the heart
- 4. blood vessels that take blood TO the heart
- 5. blood vessels that connect veins and arteries
- 6. cells that clot blood
- 9. part of the heart that takes oxygenated blood away from the heart to the rest of the body
- 10. blood vessels that take blood AWAY from the heart