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?
. Every 5 days a human will shed a complete surface layer of skin. This process is known as?
desquamation
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there are 3 main layers that form the structure of the skin. These are –
The epidermis  The dermis  Subcutaneous layer
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The layers are from the outside in –
Stratum Corneum Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Basale
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The dermis is the layer underneath the epidermis. It contains 2 layers called the –
Papillary layer – this layer contains nerve endings and blood capillaries. Reticular layer – this layer contains the fibres that give the skin strength. These are known as collagen fibres. It also contains fibres called collagen.
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The main functions of the skin are
 Sensation  Heat regulation  Absorption  Protection  Excretion  Secretion
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The innermost layer of the skin is called the
sub-cutaneous layer. This layer contains fat cells which are also known as adipose cells. This layer forms a soft barrier for protection and also insulates the body against the cold.
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Card 2

Front

there are 3 main layers that form the structure of the skin. These are –

Back

The epidermis  The dermis  Subcutaneous layer

Card 3

Front

The layers are from the outside in –

Back

Preview of the front of card 3

Card 4

Front

The dermis is the layer underneath the epidermis. It contains 2 layers called the –

Back

Preview of the front of card 4

Card 5

Front

The main functions of the skin are

Back

Preview of the front of card 5
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