Across
- 1. Where oxygenated blood goes
- 3. Number of valves in the heart
- 4. Type of valve in deoxygenated side of heart
- 7. Smallest blood vessels
- 9. Largest blood vessels
Down
- 1. Type of valve in oxygenated side of heart
- 2. Where deoxygenated blood goes
- 5. Main artery carrying deoxygenated blood to lungs
- 6. Your heart is the size of this
- 8. Third type of blood vessel
