Across
- 2. - Structures that prevent the backward flow of blood.
- 3. - Blood vessels that carry blood towards the heart.
- 4. - Protein in red blood cells that carries oxygen.
- 6. - The rhythmic beat that can be felt at the wrist.
- 9. - Tiny cell fragments that help stop bleeding.
- 10. - The largest artery that carries blood from the heart to the body.
Down
- 1. - The smallest blood vessels where exchange of materials takes place.
- 5. - Blood vessels that carry blood away from the heart.
- 7. - The liquid part of blood that carries dissolved substances.
- 8. - The organ that pumps blood throughout the body.