Ten Fun Facts About Your Skin | Knowledgeable facts about skin

Ten Fun Facts About Your Skin  | Knowledgeable facts about skin

Human skin is composed of three layers of tissue: the epidermis, dermis and hypodermis, according to the Cleveland Clinic.

Ten Fun Facts About Your Skin  | Knowledgeable facts about skin

Epidermis

The epidermis is the top layer of skin and does not contain blood vessels. While it is only about one-tenth of a millimeter thick, the epidermis is made of 40 to 50 rows of stacked cells called squamous cells or keratinocytes, according to the Cleveland Clinic. 

Keratinocytes produce keratin, a fibrous, waterproofing protein. The majority of the skin on the body is keratinized, meaning it's waterproof, with the exception of the lining of skin on the inside of the mouth, according to the Cleveland Clinic. Keratin is also a key component of hair and nails. The epidermis also consists of melanocytes, which produce melanin, the dark pigment that gives skin its color; Merkel cells, which are thought to be involved in touch reception; and Langerhans cells, which help the immune system fight antigens (foreign bodies), according to Penn Medicine. 

Only the deepest layer of the epidermis receives nourishment from the layer beneath it. Cells that are pushed away from this layer eventually die. When they reach the skin surface, they are sloughed off or shed. The skin sheds millions of dead keratinocytes every day.

Dermis

The dermis is the middle layer of skin, and it actually has two layers, according to the AAD. The papillary layer consists of the loose connective tissue, while the reticular layer is the deep layer of the dermis and consists of dense connective tissue. These layers provide elasticity, allowing for stretching while also working to fight wrinkling and sagging.The dermal layer provides a site for the endings of blood vessels and nerves, according to the AAD. The structures for hair are in this layer of skin.

Lymph vessels, which supply the clear fluid containing white blood cells of the immune system, are also housed in this layer, to help ward off infections and other foreign bodies. The dermis, the AAD noted, is also home to the sweat glands and oil glands, which are attached to hair follicles.

Hypodermis

The hypodermis — also called subcutaneous tissue — is the deepest layer of the skin. It helps insulate the body and cushion internal organs, the Cleveland Clinic noted. The hypodermis is composed of connective tissue called adipose tissue, which stores excess energy as fat. Blood vessels, lymph vessels, nerves and hair follicles also run through this layer of skin.

Interesting facts:

1. The average person's skin covers an area of 2 square meters.

2. Skin accounts for about 15% of your body weight.

3. The average adult has approximately 21 square feet of skin, which weighs 9 lbs and contains more than 11 miles of blood vessels.

4. The average person has about 300 million skin cells.

5. Skin is the largest organ in the body. “Skin occupies approximately 1.73 square meters [or more than 18.5 square feet] to cover our flesh and bones,” says David Bank, MD, director at the Center for Dermatology, Cosmetic & Laser Surgery in Mt. Kisco, New York. Skin makes up about 16 percent of our body weight.

6. Skin gets its color from a pigment called melanin. Skin color can range from very pale to very dark, depending on how much melanin the body makes. Everyone has the same amount of cells that produce melanin, which is made in the outer layer of the skin called the epidermis; but not everyone produces the same amount. The more melanin your body produces, the darker your skin.

7. Millions of bacteria live on the skin. “The skin's surface is home to surprisingly diverse communities of bacteria, collectively known as the skin microbiota,” Banks says. “The harmless bacteria that thrive on the skin can help immune cells fight disease-causing microbes.”

8. For healthy skin you need.

Vitamin A Treats sun damage and cellulite.

Vitamin D Reduces spots and growths.
Vitamin c Antioxidant, regenerates vitamin E and provides sun protection.
Vitamin E Antioxidant, protects against sun damage and aging.

9. Ooh, that smell: Body odor comes from a second kind of sweat—a fatty secretion produced by the apocrine sweat glands, found mostly around the armpits, genitals, and anus.

10. Some of the nerves in your skin are connected to muscles instead of the brain, sending signals (through the spinal cord) to react more quickly to heat, pain, etc.

People also ask

What is special about skin?

Your skin is your largest organ and plays a vital role in detecting hot and cold, regulating your body temperature and protecting your muscles, bones and internal organs from outside infection and disease. But that's just for starters. There is so much more to your skin than you might think.

What are 3 things your skin does for you?

Not only does the skin hold everything in, it also plays a crucial role in providing an airtight, watertight and flexible barrier between the outside world and the highly regulated systems within the body. It also helps with temperature regulation, immune defence, vitamin production, and sensation.

Did you know about skin?

Skin accounts for about 15% of your body weight. The average adult has approximately 21 square feet of skin, which weighs 9 lbs and contains more than 11 miles of blood vessels. The average person has about 300 million skin cells. A single square inch of skin has about 19 million cells and up to 300 sweat glands.

What is your skin made of?

Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.

What are 5 facts about your skin?

Your skin makes up about 15% of your total body weight. The average adult has nearly 21 square feet of skin that contains over 11 miles of blood vessels. A single square inch of skin has about 300 sweat glands. The thickest skin is found on your feet and the thinnest area of skin are your eyelids

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