27 Oct 2021
Problem 23
Page 1224
Section 42.3: Critical Thinking Questions
Chapter 42: The Immune System
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27 Oct 2021
Background and context
The complement system is a part of the body's natural defense mechanism. The complement system comprises several tiny proteins that all work together to get rid of extracellular infections. They activate phagocytes, which in turn cause an immune response.
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