Heart

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Across
  1. 2. yellowish liquid of the blood
  2. 6. tiny cell fragments in blood that aid in clotting
  3. 8. the structures of the body involved in gas exchange and gas transport includes circulatory and respiratory systems.
  4. 10. smallest veins
  5. 12. blood vessels that carry blood from the heart
  6. 13. lower chambers of the heart
Down
  1. 1. smallest blood vessels in the walls, so thing that exchange of gasses, nutrients, and waste products happen easily
  2. 3. the muscular wall that separates the atria and the ventricles
  3. 4. largest artery in the body, it receives blood from left ventricle
  4. 5. smallest arteries
  5. 7. arteries that bring nutrients and oxygen to muscle tissue
  6. 9. upper chambers of the heart
  7. 11. bloods vessels that carry blood toward the heart