Across
- 3. Bottom chambers of the heart.
- 4. Carries deoxygenated blood from body to heart.
- 7. Wall of tissue separating left and right sides of heart.
- 8. Carries deoxygenated blood away from heart.
Down
- 1. Type of muscle that never tires.
- 2. Carries oxygenated blood towards heart.
- 5. Top chambers of the heart.
- 6. Outside of heart.
- 9. Carries oxygenated blood to body.