Circulatory System

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Across
  1. 1. White Blood Cells
  2. 3. Red Blood Cells
  3. 6. The muscle layer of the heart.
  4. 10. A vein that carries oxygenated blood to the heart.
  5. 12. Membrain that encloses the heart.
  6. 14. Blood vessels that form a network between the arterioles and venules.
  7. 15. Upper two cavities in the heart.
Down
  1. 2. Membrain that forms inside the chambers of the heart.
  2. 4. Tube that brings oxygenated blood to the body.
  3. 5. The main artery of the body.
  4. 7. A fluid-filled cavity in the heart.
  5. 8. Platelets
  6. 9. The artery that carries blood from the heart to the lungs.
  7. 11. Large vein that carries blood to the body from other areas of the body.
  8. 13. Tube that brings blood to the heart to get oxygenated.