Across
- 3. A section of the heart that holds blood
- 5. A disease that affects the rhythm of the heart
- 6. Lets blood into another chamber
- 8. The gas that is usually in veins (Two Words)
- 9. The gas that is usually in arteries
- 10. Puts oxygen into the blood
Down
- 1. Connects veins and arteries
- 2. A person who studies the circulatory system
- 4. Takes blood away from the heart
- 6. Takes blood to the heart
- 7. The main organ in the circulatory system