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barry barry
wrote...
Posts: 11630
10 years ago
The adaptive (specific) defense system:
A) is an innate defense
B) issues an attack specific to particular foreign substances
C) includes the skin and mucous membranes
D) is the body's first line of defense against invading pathogens
E) provides mechanical barriers to the body
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Answer accepted by topic starter
padrepadre
wrote...
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Posts: 21610
10 years ago
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barry Author
wrote...
10 years ago
Thanks.
Post Merge: 10 years ago

Thanks.
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