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Skin structure and function

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Skin structure and function

What is skin?

Skin is the outer covering of vertebrate animals. It is the largest organ of the body and has many different functions. In other animals skin sometimes has mucous producing glands, the ability to change colour, thick fur, scales feathers or horns. In this e-source we´ll be looking at human skin.

Skin is important

Skin is very important as it covers and protects everything inside your body. Without skin, your bones, muscles and organs would be hanging out all over the place! Skin holds everything together. It also protects our bodies, helps keep our bodies at just the right temperature and, through nerve endings close to the surface of the skin, allows us to have the sense of touch.

However skin can become infected with bacteria, viruses and fungi, and can be irritated by chemicals or other substances it is in contact with.

Skin is also exposed to sunlight, and can suffer as a result.

Find out more about what your skin does for you, and how it works in this e-source.

Skin 1