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.
Below is an illustration of collagen's molecular structure: Bottom Line: Collagen is a protein that provides structure to much of your body, including bones, skin, tendons and ligaments. What Does It Do in Your Body?