Across
- 3. small veins
- 4. towards the heart
- 5. a holding place
- 6. away from heart
- 8. when atriums release blood
- 9. artery that feeds the heart muscle
- 11. bright red
- 13. to and from the lungs
- 14. blue on the diagram
- 17. small arteries
Down
- 1. delivers blood into the heart
- 2. pump
- 7. right side pumps here
- 10. where oxygen is delivered to tissue
- 12. left side pumps here
- 15. when ventricles pump
- 16. largest artery in the body