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.
The check digit will determine whether a VIN is a valid number, or not. Digit 10: Year of Manufacture Digit 11 - Assembly Plant Digits 12 to 17: Production Number This is the sequential number that is assigned to the vehicle as it leaves the plant.