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2007-02-22 08:36:45 · 1 answers · asked by frank f 2 in Science & Mathematics Chemistry

1 answers

The immune system defends the body from invading organisms that may cause disease...that seems to be the main one, can't think of others right now.

2007-02-22 08:49:05 · answer #1 · answered by beeboroachgoingon197 1 · 0 0

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