Answer: Albumin which is a protein is prepared by the liver cells.
Explanation:
Albumin is responsible for keeping the fluidity in the bloodstream. It is the carrier of various types of substances like hormones, enzymes, and vitamins. It also maintains the osmotic pressure of the body. It is also a kind of metabolizing and detoxifying substance for substances like amino acids, hormones, drugs and others. It remains free from the attack of the radical scavengers.