1. LovingTheCirculatorySystem! 100 200 300 400 500

2. What is the name of this chamber of the heart?

3. A tube that moves blood throughout the body. An average adult has over 40 billion of these.

4. The average size of a kid’s heart is about the size of their _____________.

5. What is the name of this chamber of the heart?

6. A blood vessel that carries blood TO the heart.

7. A small blood cell that helps the blood to clot (stop bleeding.)

8. What is the name of this chamber of the heart?

9. The body system that includes the heart, blood vessels, and blood.

10. A blood cell that fights infection by destroying microscopic, disease-causing organisms.

11. What is the name of this chamber of the heart?

12. The hollow, muscular organ which pumps blood throughout the body.

13. A blood vessel that carries blood AWAY from the heart.

14. What is the name of this chamber of the heart?

15. A blood cell that delivers oxygen from the lungs to the rest of the body and transports carbon dioxide from the body to the lungs.

16. What is the name of this chamber of the heart?

17. An average heart beats about how many times a day?

18. What is the name of this chamber of the heart?

19. A blood vessel that carries blood TO the heart.

20. What is the name of this chamber of the heart?

21. A blood vessel that carries blood AWAY from the heart.