Review for Lessons 4,5 and 6

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Across
  1. 1. tiny blood vessels
  2. 2. tube that carries urine from the bladder out of the body
  3. 4. the amount of air that the lungs are able to hold
  4. 5. muscular organ that pumps blood, part of the circulatory system.
  5. 7. organ, part of the respiratory system responsible for the exchange with the blood of oxygen and carbon dioxide
  6. 9. trachea, lungs, and bronchi; involved in breathing
  7. 12. blood vessels that carry blood away from the heart.
  8. 14. arteries, capillaries, and veins that carry blood to and from all parts of the body
  9. 15. blood vessels that carry blood back to the heart
  10. 16. tubes that carry urine from the kidneys to the bladder
  11. 17. process of air moving into and out of the body
  12. 18. large muscle between the chest and abdomen helps with breathing.
Down
  1. 1. heart, blood, and vessels that carry material to any from the cells
  2. 3. organ of excretory system that filters waste from the blood
  3. 6. known as the windpipe
  4. 8. heartbeat
  5. 10. kidneys, ureters, bladder and urethra eliminate some waste from the body.
  6. 11. liquid containing proteins, red cells, white cells, and platelets
  7. 13. an organ that stores urine
  8. 14. the tube that connect the trachea to the lungs
  9. 16. fluid formed in the kidney and eliminated through the urethra
  10. 19. tiny sacs in the lungs where oxygen enters the blood and carbon dioxide leaves the blood