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  1. Jan 25, 2024 · Skin is a complex organ. An average square inch of skin contains 650 sweat glands, 20 blood vessels, and more than 1,000 nerve endings. Despite being just a few millimeters thick, the skin makes ...

  2. Oct 4, 2019 · Skin Definition. Skin is the soft outer tissue which covers vertebrates. In humans, it is the body’s largest organ, covering a total area of about 20 square feet. It protects our internal organs from the environment using a multi-layered system of cushioning, a cellular barrier, and protective oils. Skin is more than just a protective barrier ...

  3. Feb 7, 2022 · Skin can be thin, hairy, hirsute, or glabrous. Glabrous skin is the thick skin found over the palms, soles of the feet and flexor surfaces of the fingers that is free from hair. Throughout the body, skin is composed of three layers; the epidermis, dermis and hypodermis. We shall now examine these layers in more detail. The skin is comprised of ...

  4. en.wikipedia.org › wiki › SkinSkin - Wikipedia

    Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition.

  5. Dec 6, 2023 · The integumentary system is the body's outermost layer. Composed of skin, hair, nails, glands, and nerves, its main job is to protect your insides from elements in your environment, like pollution and bacteria. It also helps retain bodily fluids, eliminate waste products, and regulate body temperature. This article digs into the specifics about ...

  6. Nov 29, 2017 · The skin covers the entire external surface of the human body and is the principal site of interaction with the surrounding world. It serves as a protective barrier that prevents internal tissues from exposure to trauma, ultraviolet (UV) radiation, temperature extremes, toxins, and bacteria.

  7. Mar 12, 2018 · Check out our Patreon page: https://www.patreon.com/tededView full lesson: https://ed.ted.com/lessons/the-science-of-skin-emma-bryceBetween you and the rest ...

  8. Apr 15, 2024 · Anatomy and Function of the Dermis. The dermis is the second and thickest layer of the three major layers of skin, located between the epidermis and subcutaneous tissues, also known as the subcutis and the hypodermis . The skin was previously viewed as a body part that protects us from the elements. Today, new knowledge informs us that the ...

  9. 10 remarkable facts about skin - BBC Science Focus Magazine

  10. Apr 12, 2019 · The skin is a complex organ that has devised numerous strategies, such as physical, chemical, and microbiological barriers, to protect the host from external insults. In addition, the skin contains an intricate network of immune cells resident to the tissue, crucial for host defense as well as tissue homeostasis.