How are proteins in body tissues related

hopes this helps

Explanation:

Some proteins are fibrous and provide cells and tissues with stiffness and rigidity. These proteins include keratin , collagen and elastin, which help form the connective framework of certain structures in your body (13). Keratin is a structural protein that is found in your skin, hair and nails.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.