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question 21

Multiple Choice

Simplify.
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Definitions:

Macrophages

Large white blood cells that are part of the immune system, engulfing and digesting cellular debris, foreign substances, microbes, and cancer cells.

Lymphocytes

A kind of leukocyte that plays a role in the immune system, aiding in the defense of the body from infectious diseases and external threats.

Neutrophils

A type of white blood cell that is part of the immune system, involved in protecting the body against infections by ingesting microorganisms and releasing enzymes.

Macrophages

Large white blood cells that are part of the immune system, responsible for engulfing and digesting cellular debris and pathogens.