Across
- 2. red liquid that circulates in arteries
- 4. carries blood away from heart
- 6. controls blood flow
- 9. connect arteries and veins
- 11. main organ that pumps blood through body
Down
- 1. largest artery in the body
- 3. smallest functional unit of an organism
- 5. colorless fluid part of blood
- 7. rhythmical throbbing of blood going thru arteries
- 8. carries blood to the heart
- 10. upper two cavities of heart