Across
- 2. The heart is used to pump this around the body
- 4. This prevents blood from flowing backward
- 7. The heart is found on this side of the chest
- 8. Doing this type of physical activity will keep the heart strong
- 9. The number of chambers found in the heart
- 11. This muscle pumps blood throughout the body
Down
- 1. The name for a lower chamber of the heart
- 3. This is the molecule carried by blood that is necessary for life
- 5. This blood vessel carries blood away from the heart
- 6. This blood vessel carries blood from the body to the heart
- 10. The name for an upper chamber of the heart