If foreign substances pass the body's first line of defense and into the bloodstream, what happens? They are attacked by saliva or mucous. They are attacked by lymphocytes. The body has no other defense.

If foreign substances pass the body's first line of defense and into the bloodstream, what happens? They are attacked by saliva or mucous. They are attacked by lymphocytes. The body has no other defense. NEXT QUESTION ASK FOR HELP TURN IT IN © 2004, 2006, 2011, 2017 Glynlyon, Inc. TERMS OF USE

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If foreign substances pass the body's first line of defense and into the bloodstream, what happens? They are attacked by saliva or mucous. They are attacked by lymphocytes.…

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