★ Composition of Blood and Blood Cells Quiz
Identify the substance labeled “C” in this vial of blood.
A. Buffy Coat (platelets and WBCs)
B. Formed Elements (RBC)
C. Plasma
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What is the function of a erythrocyte?
A. functions in transport of oxygen bound to hemoglobin and also transports small amounts of carbon dioxide
B. needed for blood clotting; initiates the clotting cascade by clinging to a torn vessel
C. defends the body against infection and disease by ingesting foreign materials or by producing antibodies
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