The Human Skin

The skin is one of the human body’s largest organs. Skin contains sensory devices that monitor the external environment. The nerves in skin receive the stimuli that are then interpreted by the brain as touch, heat, & cold.

Skin is composed of three layers:

1. Epidermis -               the outer layer.

2. Dermis -                   the middle layer.

3. Subcutaneous -         the inner layer.
 

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Organ

Definition

Collection of tissues united together to perform a particular function is called organ.

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