Lymphocytes are a type of white blood cell that play a crucial role in the body's immune system by identifying, attacking, and destroying foreign invaders such as bacteria, viruses, and cancer cells. They also play a role in long-term immunity by creating memory cells that can recognize and respond to previously encountered pathogens.

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Lymphocytes Are

Question 28

Multiple Choice

Lymphocytes are

A) harmful agents such as chemicals and viruses that cross the placenta from mother to fetus.
B) stress hormones produced by the sympathetic nervous system.
C) cancer cells that form in the lymph glands.
D) white blood cells that are part of the body's immune system.

Correct Answer: