23 Facts about skin – Interesting Human body facts

Skin, being the largest organ, stretches around 20 sq. feet (2 m²). Tweet This

The three layers of skin top-down are the epidermis, dermis and the so-called hypodermis or subcutaneous layers. Tweet This

Unlike normal skin, scar tissue has no sweat glands, nor hair, and differs in colour from the surrounding skin. Tweet This

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Melanin helps in protection from sun. Tweet This

Callous forms when one area of skin is subjected to repeated or continuous pressure. Tweet This

Skin cells are born, die and reach the epidermis within less than a month. Tweet This

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Each minute 41,000 dead skin cells leave your epidermis. This way our body loses up to 10 pounds (4.5 kg) annually! Tweet This

The more, the darker: this is how the pigment melanin determines the darkness of skin. Tweet This

Great part of domestic dust is in fact dead skin. Tweet This

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Lips are red because of the multitude of tiny capillaries, full of oxygen-rich blood. Tweet This

Epidermis, being the outer layer, is formed of mainly dead cells, thick from 0.1 mm to 1.6 mm. Tweet This

Pale lips could indicate that the person is anaemic. Tweet This

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The dermis hosts all sweat glands, along with blood vessels and nerves. Tweet This

Some of the nerves are directly connected to muscles. In case of pain, they can command the muscles. Tweet This

Hypodermis, being mostly fat, is great at absorbing shocks, and also hosts the hair follicles. Tweet This

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Palms, soles of the feet and lips are the only areas of the skin without a hair follicle. Tweet This

One square inch (6.5 cm²) of skin holds 630 sweat glands. Tweet This

Depending on the hair colour, one has on the head alone anywhere between 80,000 and 140,000 hair follicles! Tweet This

Goose bumps, goose pimples or goose flesh appear when one is cold or feels fear, pleasure or sexual arousal. Tweet This

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More than 30 million bacteria live on a square inch (6.5 cm²) of skin. Luckily, the great majority are harmless. Tweet This

Each of us has more bacteria on the skin than there are people in the world. Tweet This

We grow over 6 feet (2 m) nose hair in a lifetime. Tweet This

Skin can be grown in laboratory, multiplying the initial size 10,000 times! Tweet This