biology

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Across
  1. 5. Pumps blood through body
  2. 7. _______ blood cells helps to fight microorganism that causes infection disease
  3. 8. Can be found whenever an artery passes over a bone
  4. 10. Molecules move in and out
  5. 11. Provide larger surface area to take in oxygen
  6. 12. The right side pumps blood to the
  7. 13. Yellowish liquid component of blood
Down
  1. 1. Prevents Backflow
  2. 2. Have one cell thin walls
  3. 3. Blood moves at high pressure
  4. 4. Have thin wall
  5. 5. A protein called __________ that gives the red color
  6. 6. Wasted product of livers
  7. 8. Forming a clot to stop bleed
  8. 9. Number of red blood cells