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Jr1308 Jr1308
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6 years ago
A chronic pulmonary disease characterized by loss of elasticity of lung tissue is called
 A) emphysema.
  B) pleurisy.
  C) bronchiectasis.
  D) asthma.


The ____________________ of the body acts as an effective barrier to most organisms, and very few infectious agents can penetrate it.
 Fill in the blank(s) with correct word
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ajbatisteajbatiste
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6 years ago
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Jr1308 Author
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6 years ago
Thanks for your help!!
Marctheshark
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Yesterday
Helped a lot
jmendoza
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2 hours ago
Good timing, thanks!
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