Each of the following types of white blood cells is found within the circulatory system EXCEPT
A) macrophages.
B) monocytes.
C) leukocytes.
D) lymphocytes.

Question

Quizplus · Accepted Answer

Macrophages are not typically found circulating in the blood; they reside in tissues throughout the body where they play a role in the immune response by phagocytizing pathogens and dead cells. Monocytes, leukocytes (a broad category that includes all white blood cells), and lymphocytes are all components of the circulatory system.

Each of the Following Types of White Blood Cells Is