The macronutrients provide the substances we need for growth, metabolism, and body function. Breaking the macronutrients down into calories per gram helps simplify things.
The skin 1 is one of the largest organs in the body in surface area and weight. The skin consists of two layers: the epidermis and the dermis. Beneath the dermis lies the hypodermis or subcutaneous fatty tissue. The skin has three main functions: protection, regulation and sensation.Wounding affects all the functions of the skin. The skin is an organ of protection.The primary function of the skin is to act as a barrier. The skin provides protection from: mechanical impacts and pressure, variations in temperature, micro-organisms, radiation and chemicals.he skin consists of two layers: the epidermis and the dermis. Beneath the dermis lies the hypodermis or subcutaneous fatty tissue. The skin has three main functions: protection, regulation and sensation.
THE INTEGUMENTARY SYSTEM. The Integumentary system is an organ that consist of the skin, its derivatives (sweat and oil glands), nails and hair.The basic function of the skin is protection.The skin consists of epidermis and dermis.HE INTEGUMENTARY SYSTEM. The Integumentary system is an organ that consist of the skin, its derivatives (sweat and oil glands), nails and hair.