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The skin is an organ of the integumentary system in vertebrates composed of layers; epidermis, dermis and hypodermis from outside to inside.
Explanation:
The hypodermis is also called the subcutaneous layer. It lies below the dermis and joins the skin and the other tissues below It is mainly composed of fat cells and elastic fibers like collagen. Is is thickest in animals that live in cold environments.
The dermis is composed of live skin cells that renew those of the epidermis above. The dermis contains blood vessels that nourish the skin and nerves. The epidermis is the outermost layer and is comprised mainly of dead squamous cells that are tightly bound to mainly offer protection against the entry of foreign material into the body.
Learn More:
For more on the skin check out;
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