1 It is composed of liquid plasma and formed elements. 2  Formed elements include: 3  Erythrocytes, or red blood cells (RBCs). 4  Leukocytes, or white blood cells (WBCs).
Vehicle Identification Numbers (VINs) Vehicle Identification Numbers are unique codes given to each on-road vehicle in the United States. From 1981, each new car is given a standardized 17-digit code, which includes a serial number. Older cars may have VINs too, although they will not follow the standardized formula.
A Vehicle Identification Number (VIN) is a set of unique digits that relate to specific information about your vehicle (1981 or newer).