What is the correct set of elements that makes up your blood? a. white blood cells and platelets b. plasma, platelets, and calcium c. platelets, plasma, red blood cells, and white blood cells d. red blood cells and platelets

Question:

Which component of the blood is part of the body’s immune system?

A. plasma

B. platelets

C. red blood cells

D. white blood cells

D. white blood cells

Explanation:

In photo below

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