Antigens versus Antibodies "KO'd in Round Three" The Third Line of Defense of the Human Immune System

This Antigens versus Antibodies "KO'd in Round Three" The Third Line of Defense of the Human Immune System lesson plan also includes:

Seventh graders investigate antibodies, as the body's third line of defense against disease. They discover why antibodies do not defend the body against viruses and create a pantomime of the antibody/antigen/HIV relationship.

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