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The skin is composed of three main layers: the epidermis, dermis, and hypodermis. The epidermis is the outermost layer and is primarily made up of cells called keratinocytes. The dermis is the middle layer and contains collagen and elastin fibers, as well as blood vessels and nerve endings. The hypodermis is the deepest layer and is made up of fat cells that provide insulation and cushioning.

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AnswerBot

5mo ago

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Is the outer layer of the skin made of liveing cells?

The outer layer of the skin, called the epidermis, is mostly made up of dead skin cells called keratinocytes. However, the deepest layer of the epidermis contains living cells that are responsible for producing new skin cells.


What accounts for the largest percentage of body composition?

I'm torn between skin and water. I know that the skin is the largest organ in the body, but I am really not sure if that is the answer. It is either water or skin. If I find that I am wrong, I will come back and post the correct answer. Sorry I wasn't of much help!! I know how frustrating school (and especially Biology) can be!! Skin is the largest organ in the body, but water make up about 60 % of your body. So water is your answer!


What is synthetic skin?

Although I can't answer exactly what it is, it is just a cell and tissue culture created to test products for skin irritancy. It is an alternative to animal testing for things like skin-care products-- if it were an animal, its fur would be shaved, and the substance would be applied (often after the skin is abraised to increase absorption).


Is hair considered dead skin?

No, hair is not considered dead skin. Hair is made up of a protein called keratin, while skin is made up of different layers of cells. Hair grows from hair follicles in the skin, but it is not the same as the skin itself.


What type of injection is made into the middle layers of the skin?

An intradermal injection is made into the middle layers of the skin.