Question

what is serum?? Jaldi se answer karo!!!​

Answer 1

Answer:

the thin liquid that is left after blood has clotted

Answer 2

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• Serum is the clear stuff (which contain electrolyte, proteins, antibodies, hormones, exogenous substances) you get after you spin blood that has coagulated. It doesn't contain any cell nor clotting factors, which makes it quite different from blood plasma.