The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
Amino acids are the essential building blocks of protein. Of the twenty-two protein building amino acids, nine of these protein-building amino acids cannot be manufactured by the body and hence have to be made available from food sources. The structure and function of a protein cell is determined by the sequence in which the amino acids link together to form the protein.