Respiratory and Circulatory System

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Across
  1. 3. fewer then normal amount of red blood cells
  2. 5. the longest word in the world
  3. 8. the tiny air sacs in the lungs
  4. 11. the gas needed for humans to live
  5. 12. platelets
  6. 13. the organ that pumps blood throughout the body
  7. 14. the valce the allows bllod tomover from the right artium to the right ventricle
  8. 15. blood that flows into and out of the right side of the heart
Down
  1. 1. pressure that keeps the lungs from collapsing (atalectasis) due to their natural elasticity.
  2. 2. the act of inhaling and exhaling
  3. 4. the red liquid in the body
  4. 6. white blood cells
  5. 7. the type of viens that the body that delievrs oxygented blood back to the heart
  6. 9. red blood cells
  7. 10. a condition where air is outside or around the lungs