Across
- 5. Vessel that carries blood toward the heart.
- 6. Structure that prevents backflow of blood in the heart.
- 7. Slow heart rate.
- 9. Hardening and narrowing of the arteries due to plaque buildup.
- 10. Vessel that carries blood away from the heart.
- 11. Muscular tissue of the heart.
Down
- 1. Protein in red blood cells that carries oxygen.
- 2. The liquid component of blood.
- 3. Lower chamber of the heart that pumps blood out.
- 4. Membrane enclosing the heart.
- 8. Upper chamber of the heart that receives blood.
- 9. The largest artery in the body.