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).
number (VIN)? The car's vehicle identification number (VIN) is the identifying code for a SPECIFIC automobile. The VIN serves as the car's fingerprint, as no two vehicles in operation have the same VIN. A VIN is composed of 17 characters (digits and capital letters) that act as a unique identifier for the vehicle. A VIN displays the car's unique features, specifications and manufacturer.
What 17 Numbers and Letters Can Tell You About Your Car. A Vehicle Identification Number (VIN) is the string of 17 numbers and letters that an automobile manufacturer assigns to an individual vehicle. The VIN can reveal a number of things about a car, including its airbag type, country of origin, engine size, model year and trim level. The VIN also is key to car safety.