Blood and Circulation

2. The type of blood vessel that carries blood back to the heart.
5. These cells carry oxygen through the body.
7. The type of blood vessel that carries blood away from the heart.
9. These help your blood to clot when you get a cut.
12. The organ that pumps blood throughout the body.
13. The protein in red blood cells that carries oxygen.
15. The largest artery in the body, which carries blood away from the heart to the rest of the body.

1. The smallest blood vessels where oxygen and nutrients are exchanged with body tissues.
3. These cells help protect the body from infection.
4. The liquid part of the blood that helps transport cells.
6. The movement of blood through the heart and around the body.
8. The rhythmic beating of the heart that can be felt in the arteries.
10. A gas that is picked up by blood in the lungs and carried to the rest of the body.
11. Dioxide The waste gas that is carried by the blood from the body to the lungs to be exhaled.
14. The liquid that carries oxygen and nutrients through the body.