Across
- 2. Stops blood from flowing backwards in the heart.
- 4. A type of blood vessel that carries blood away from the heart.
- 6. Supplies oxygenated blood to the circulatory system, the main artery.
- 7. Connection between arteries and veins.
- 9. Upper chamber in which blood enters ventricles in heart.
- 11. Expels blood toward body, bottom chambers of the heart.
Down
- 1. Large vein carries blood to the heart from other parts of the body.
- 3. A type of blood vessel that carries blood towards the heart.
- 5. muscle A type of muscle only found in the heart.
- 8. Nickname for sinus node, sets pace of heartbeat.
- 10. Divides left and right side of heart.