Skin

soft outer covering organ of vertebrates

Skin is the outside covering of mammals and some other animals. It has many functions. First of all, it is a defense against the entry of pathogens such as bacteria and parasites. Second, it regulates the body's temperature. It allows evaporation from its surface, and adjusts it. It is a physical defense, very substantial in some animals, but rather weak in humans. The skin and hair on mammals has several functions. In addition to temperature regulation and defense, some hair is used for signaling.

Close view of the skin on a human hand.

Most animals back up their skin with extra defenses. Mammals have hair or fur on their skin. Birds have feathers on their skin. Most fish, and reptiles, like snakes and lizards, have scales on their skin.[1]

Humans can have different skin colours like Black people and White people depending on their race and has to do with Genetics.

The skin is actually the largest organ of the human body. Without our skin we would easily get infected with diseases. Skin helps regulate your body’s temperature. Skin reduces the potentially harmful effects of UV rays. As part of the immune system, skin can help alert you to certain ailments.[2]

Clean skin is important to health, and all mammals groom their hair and skin. Skin care is a big industry.

Animal skins can be made into leather. Leather is sometimes used to make shoes, bags, and balls.

Other things can be said to have "skins". People often say that fruits, such as apples, bananas, grapes, kiwis, and strawberrys, and vegetables, such as potatoes, have "skins".

See alsoEdit

Other websitesEdit

  Media related to Skin at Wikimedia Commons

ReferencesEdit

  1. "Skin: Layers, Structure and Function". Cleveland Clinic. Retrieved 2021-11-11.
  2. Team, Gundry MD (2021-11-04). "What is healthy skin and how do you achieve it?". Gundry MD. Retrieved 2021-11-11.{{cite web}}: CS1 maint: url-status (link)