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skin keeps us healthy by protecting our blood to be infected by bacteria, and keeping us warm. Our skin has many different layers, all with different jobs. The epidermis- the part of the skin on the outside of your body- the part you can see

dermis-where blood vessels and nerves are at work

hypodermis-mostly made of fat- is where your hair grows

answered by 10 year old genius

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12y ago

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