Serum differs from the blood because it lacks of:-
- A. Antibodies
- B. Clotting factors
- C. Albumins
- D. Hormones
B. Clotting factors
Serum is the part of blood that is similar in composition to plasma but does not contain clotting factors of blood. It includes all proteins not used in blood clotting and all the electrolytes, antibodies, antigens, hormones, etc.