What is blood made of?

What is blood made of?

Richard Saferstein (Former Chief Forensic Scientist) gives expert video advice on: What is blood made of?; How does the classification of blood type help in CSI?; Why are blood stains studied in CSI? and more...

Blood, from a simplistic point of view, is comprised of a liquid and solid. The liquid is known as the plasma. Typically your solids are your blood platelets, your red blood cells, and your white blood cells. From a descriptive point of view, I think that's the best way to envision the composition of blood.