Skin Layers and Parts - Constituents of Skin

Skin is composed of three layers. The top layer is called the epidermis. It measures less than 1 millimeter in thickness everywhere except on the palms and soles (where it is thicker) and the eyelids and inner elbows (where it is thinner). It is in the epidermis that new skin cells are created and melanin the pigment that gives your skin its unique colour- is produced. The dermis is skin's middle layer. It lies under the epidermis and is where skin's collagen and elastin fibres are located. These fibres give the skin structure. However, they lose their resilience as we age, causing skin to grow slack and creased. Blood vessels, oil or sebum glands, nerve fibres, hair follicles, and muscle cells are also found in the dermis. Skin's bottom layer is the subcutis. It acts as a reservoir for water and fat cells, and serves as a cushion between the upper layers of skin and the body's bones and muscles.

Together, the three layers of skin carry out the vital tasks of sensing, protecting, and repairing.

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Fitness Tip

Try to get your spouse and your kids to work out with you. Play catch or frisbee with your kids, make fake microphones and dance to some music, or even run alongside your children as they learn to ride a bike. In fact, a recent study in Canada suggests that if you are active, your children are 6-times more likely to be active too.

Beauty Tip

If you chew and swallow your hair hairballs can develop in your stomach in several years. The strands become matted and trap undigested bits of food. They host colonies of bacteria. Surgery is the only way to remove them.

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