life science5.2

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Across
  1. 2. tube from the kidneys to the bladder
  2. 4. branches of the trachea to the lobes of the lungs.
  3. 5. system, body system that filters blood and disposes of waste
  4. 10. gland in the epidermis that secretes water to cool the body.
  5. 12. humidify air and trap dust particles and germs
  6. 15. muscle that pulls air into the lungs
  7. 17. clusters of sacks in lungs increasing surface area.
  8. 19. tube connecting the throat and lungs
  9. 21. organs that filter blood
  10. 22. swelling of the bronchial tubes
  11. 24. tube from the bladder exiting the body
  12. 26. an infection of the lungs
Down
  1. 1. specialized structures in kidneys that filter blood
  2. 3. the outer thin layer of skin cells (only the base cells are alive)
  3. 6. vein, blood vessels coming out of the kidney
  4. 7. an infection of the bronchial tubes
  5. 8. system, system for absorbing oxygen and expelling carbon dioxide.
  6. 9. artery, main blood vessel going into the kidney
  7. 11. mechanical filtering of blood for people with kidney failure.
  8. 13. largest organ of the body
  9. 14. voicebox found at the top of trachea
  10. 15. thicker underlayer of skin (living cells)
  11. 16. the chemical pigment found in skin and hair.
  12. 18. gland in the skin that makes and excretes oil to keep skin flexible.
  13. 20. organ that stores urine
  14. 23. small branches coming off bronchi to the alveoli
  15. 25. organ that absorbs oxygen and expells carbondioxide