Across
- 2. a red substance in your body
- 5. The biggest muscle in your body.
- 7. forms clots in your blood
- 10. largest artery in your body
Down
- 1. what makes the beating sound in your heart
- 3. brings oxygen in through your nose or mouth
- 4. what the heart is
- 6. carries blood to the heart
- 8. Carries blood away from the heart
- 9. how fast your heart beats
