Natural killer cells are part of the body's
A) immune system.
B) endocrine system.
C) digestive system.
D) sympathetic nervous system.

Name: Natural killer cells are part of the body's A) immune system. B) endocrine system. C) digestive system. D) sympathetic nervous system.
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Question

Quizplus · Accepted Answer

Natural killer cells are lymphocytes, a type of white blood cell, and play a key role in the immune system's defense against viruses and cancer cells.

Natural Killer Cells Are Part of the Body's