All About Block 10

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Across
  1. 4. Lubb dup.
  2. 5. Movement of carbon dioxide and oxygen.
  3. 8. The central organ of the cardiovascular system
  4. 9. The air we breathe in is ___ in oxygen.
  5. 10. The liquid medium in blood.
  6. 11. New red blood cells are produced in the ___ marrow.
  7. 12. A large skeletal muscle that lies underneath the lungs.
  8. 13. White blood cells are ___ than red blood cells.
  9. 16. The site of gas exchange.
  10. 17. The divider that separates the left and right sideS of the heart.
Down
  1. 1. The thoracic cavity.
  2. 2. An average person has about 30 ___ red blood cells.
  3. 3. A solid in blood.
  4. 6. The sternum.
  5. 7. High blood pressure.
  6. 9. ___ blood cells transport oxygen to cells in all parts of the body.
  7. 14. A type of blood movement that supplies blood to the kidneys.
  8. 15. A large blood vessel that carries blood away from the heart.
  9. 16. The air we breathe out is ___ in oxygen.