We have 3 layers of skin.
Here's a website that tells about them. It's from
the American Academy of Dermatology, which is
doctors who work with skin problems, so I figure
it's a good source:
The outer layer of skin is the
epidermis. The bottom of the epidermis
makes new skin cells, and the old skin cells fall
off the top layer, which we see. The epidermis
also makes the melanin that gives our skin
its color. The epidermis is also a barrier to
The middle layer of skin is the dermis.
It's thick, and the diagram shows little blood
vessels in it - they are capillaries. The
dermis also has oil glands and sweat glands
and hair follicles and tubes that carry lymph.
Those are the 2 main layers of skin. Then
there's a layer of subcutaneous fat under them,
which is sort of a layer of skin.
'Subcutaneous' means 'under the skin.'
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