Across
- 2. carries blood back to heart to absorb more oxygen
- 4. keeps blood flowing in the correct direction through the heart
- 6. blood vessels that carry oxygen-rich blood to tissues of the body
- 8. makes electricity for your heart to beat
- 9. one of two large chambers toward the bottom of the heart
- 10. top left and right "chambers" in the heart
Down
- 1. A large vein that carries blood to the heart from other areas of the body
- 3. The dividing wall between the right and left sides of the heart.
- 5. modified cardiac muscle fibers
- 7. largest artery