Circulatory system

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