How to determine the sex, race, and age from blood source? - Cuntorio

Here the answers become less precise. Blood is mostly water, but it also contains a number of additional materials including cells, proteins, and enzymes. The fluid portion, or plasma, is mostly water. The serum is yellowish and contains platelets and white blood cells. Clotting and crystallization indicate age. Because blood quickly clots when exposed to air, serologists must separate the