Fatty acids are organic substances found at room temperature in the solid and liquid and semi-solid phases. They belong to the group of carboxylic acids, compounds that have carboxyl, carbon attached to an oxygen and a hydroxyl. The term "fat" is often used to denote fatty acids. However, fats are formed not only by these molecules, but by the union of these fatty acids to a glycerol molecule. Fats can be solid or liquid at room temperature, depending on the structure of the fatty acid that makes it up, and can be basically in two forms: saturated or unsaturated.
The main types of fatty acids are saturated, monounsaturated and polyunsaturated. Omega fatty acid is a fat and cannot be classified as a fatty acid.
containing several double or triple bonds between carbon atoms. Polyunsaturated fats, which are usually of plant origin, are regarded as healthier in the diet than saturated fats.
The integumentary system protects the body's internal living tissues and organs, protects against invasion by infectious organism, and protects the body from dehydration.
