Serum consists of blood minus the formed elements whereas plasma consists of blood minus the formed elements and clotting factors.

Question

Quizplus · Accepted Answer

Serum and plasma differ mainly in their clotting factors. While serum is blood that has been allowed to clot and then had the clot removed, plasma is blood that has not been allowed to clot and still contains clotting factors. Therefore, plasma consists of blood minus the formed elements and clotting factors, while serum consists of blood minus only the formed elements.

Serum Consists of Blood Minus the Formed Elements Whereas Plasma