The Heart

2. Drinking lots of this can keep your heart healthy.
5. The leading cause of death in North America.
7. Cholesterol and fat attach to the arteries so blood has trouble flowing.
9. Your heart is similar in size to this.
15. When your heart does this, it makes the chambers smaller and pushes blood into vessels.
17. Hardening of the arteries.
18. When you heard does this, it fills with blood from the vessels.
19. This means blood has oxygen in it so it is heading to different parts of the body.

1. The heart has this many chambers.
3. This going through the heart is what makes it contract and relax.
4. A blood clot or burst blood vessel blocks blood from reaching part of the brain.
6. Allows doctors to listen closely to a patient's heart.
8. Your heart is found in the center of the chest, slightly left and behind this.
10. Doing this 30 minutes per day can help keep your heart healthy.
11. A machine used to determine if someone has an irregular heartbeat.
12. It only takes 20 seconds for blood to travel this.
13. One contraction and one relaxation of your heart is this.
14. This term means blood no longer has oxygen in it so it is heading to the lungs.
16. A blood clot blocks blood from flowing to a part of the heart.