Across
- 2. The organ that collects blood
- 3. Two upper parts of the heart
- 6. Two bottom parts of the heart
- 8. The artery that releases blood to the body
- 9. The organ that pumps blood
- 10. Vessel that brings blood to the heart
Down
- 1. A gas we release as waste
- 4. A gas we need for survival
- 5. Vessel that connects arteries and veins
- 7. Vessel that brings blood around the body