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High School Biology: The Immune System and Disease - The Immune Response
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The Immune response is the body's ability to stay safe by affording protection against harmful agents and involves lines of defense against most microbes as well as specialized and highly specific response to a particular offender. 9Source: NIH)

High School Biology: The Immune System and Disease - The Immune Response
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12 Questions

1. Antibodies are
2. The third line of defense is
3. The human body has as many as ____________ lymphocytes.
4. Active immunity results from
5. There are ____________ major types of lymphocytes, called ____________.
6. The lymphatic system
7. Helper T cells
8. Cytotoxic T cells
9. The cell-mediated immune response
10. Memory cells
11. The humoral immune response begins with
12. Organs of the lymphatic system include

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