First line of defense

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Across
  1. 4. Ear wax or ____ produced in the ear canal.
  2. 5. Mucous membrane or ____is a membrane that line reduce cavities in the body.
  3. 10. The dermis is the ____ layer of skin.
  4. 11. Saliva located just _____ of the ears.
  5. 13. Strong acid that secreted by the parietal cell is ____ acid.
  6. 14. ____ is the active protein digesting enzyme of the stomach.
  7. 17. This also prevents entry of microbes in the lower _____ tract.
  8. 19. ____ is a small head of cartilage which cover larynx.
  9. 21. Mucous membrane are ___.
  10. 22. The function of mucus is to protect _____ cells in the liner of the respiratory , digestive and urogenital system.
  11. 25. Keratin a family of ______ structural proteins.
  12. 26. Tears secreted by the ____ gland.
  13. 27. when water, electrolytes, hydrochloric acid, enzymes, mucus, and intrinsic factor combine, then ____ juice is formed.
  14. 29. First line of defenses consist of two different ____ of barriers.
Down
  1. 1. Keratin protect epithelial ____ from damage or stress.
  2. 2. Ear wax also protect the canal by _____ dirt and dust particles.
  3. 3. Cilia an organelle that found in ____ cell.
  4. 6. The second layer of skin is ____.
  5. 7. ____ barrier is include skin, mucous membrane and normal flora.
  6. 8. The ____ part is known as epidermis.
  7. 9. Most mucus produce in the _____ tract.
  8. 12. Skin consist of ___ parts.
  9. 14. the skin ‘s normal ___ is range 4.5 to 5.5.
  10. 15. Acid mantle is made up of sebum , sweat and ____ acid.
  11. 16. The sweat of the human being absorbs water mixed with ____ which make it salty.
  12. 18. In the ____, pH of saliva is between 6.44 – 6.85.
  13. 20. ____ of the skin is indirect contact with the external environment.
  14. 23. _____ on skin inhibit bacterial growth .
  15. 24. Also secrete a fluid known as ____
  16. 28. ____ is secreted by the sebaceous gland.