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Heat is usually transferred from a cold object to a hot object.
Keratinocyte Cells
Specialized skin cells that produce keratin, a key protein in the skin, hair, and nails.
Epidermis
The outermost layer of skin, serving as a barrier against environmental damage from water loss, bacteria, and other potential dangers.
Dermis
The middle layer of skin between the epidermis and hypodermis, which contains tough connective tissue, hair follicles, and sweat glands.
Subcutaneous Layer
The layer of tissue directly under the skin’s surface, consisting of fat and connective tissues that insulate and support the body.
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