MLA Formatting Quotations. Summary: MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities.
Collagen is a natural type of protein in the body that forms the connective tissues that hold skin, bone, tendons, muscle, and cartilage together.Collagen is so important in the way our skin looks and feels because it is the main structural component providing firmness and shape.ollagen is a natural type of protein in the body that forms the connective tissues that hold skin, bone, tendons, muscle, and cartilage together.
Roles: What does collagen do? Collagen is secreted by various cells, but mainly by connective tissue cells. It is found in the extracellular matrix. This is an intricate network of macromolecules that determines the physical properties of body tissues. A macromolecule is a molecule containing a large number of atoms.