Examlex
A consumer maximizes her total utility from a bundle of goods when her marginal utility from each good is equal.
Antibodies
Proteins produced by the immune system to identify and neutralize foreign substances like bacteria and viruses.
Antigens
Substances that the immune system recognizes as foreign, triggering an immune response; often parts of pathogens like bacteria, viruses, or fungi.
Toxins
Poisonous substances produced by living cells or organisms that can cause disease when introduced into the body tissues.
Complement System
A part of the immune system that enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism.
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