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.
About 1/3 of the protein in our body is collagen. It is said that collagen in our body gradually decreases with age over 20. In our body, collagen works as a binder to combine one cell with another, and transfers water, nutrients, etc. In our skin, collagen exists a lot in dermis, and spreads like a net.