Lymphocytes are called "wandering" cells because
A) the blood takes them everywhere.
B) they can move from one area of the body to another by entering and exiting the bloodstream freely.
C) they attack foreign cells or body cells infected by viruses.
D) they roam around within the organ in which they are found.
E) None of the answers are correct.
B) they can move from one area of the body to another by entering and exiting the bloodstream freely.
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