The first six digits of a card number (including the initial MII digit) are known as the issuer identification number (IIN). These identify the card issuing institution that issued the card to the card holder. The rest of the number is allocated by the card issuer. The card number's length is its number of digits. Many card issuers print the entire IIN and account number on their card.
Blood. 1  Blood is a connective tissue. 2  Blood is made of a liquid matrix called plasma and 3 types of formed elements (cells or cell fragments). 3  There are no visible fibers in plasma, but there are proteins that can be converted to fibers under certain conditions (e.g. blood vessel damage).
Making the world better, one answer at a time. Blood is composed of: Red cells:are relatively large microscopic cells without nuclei. In this latter trait, they are similar to the primitive prokaryotic cells of bacteria.Red cells normally make up 40-50% of the total blood volume.aking the world better, one answer at a time. Blood is composed of: Red cells:are relatively large microscopic cells without nuclei. In this latter trait, they are similar to the primitive prokaryotic cells of bacteria.