Nayelii94 Nayelii94
  • 22-03-2024
  • Biology
contestada

Bacteria that are removed from the upper respiratory tract by cilia are often destroyed by
a. lymphocytes in the saliva.
b. stomach acid.
c. mucus in the trachea.
d. lymph nodes at the base of the tongue.
e. filters lining the pharynx.

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