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chinguun chinguun
wrote...
Posts: 531
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6 years ago
Large airborne particles are filtered by the
 A) external nares.
  B) soft palate.
  C) nasal hairs.
  D) nasal sinuses.



Vaccines should be considered to be a(n)
 A) natural acquired immunity
  B) natural passive acquired immunity
  C) artificial active immunity
  D) artificial passive immunity
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Replies
wrote...
6 years ago
C

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C
chinguun Author
wrote...
6 years ago
Was a really tough hw problem!
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