The structure and function of the skin

In this topic

• The skin — the largest organ of the body
• The epidermis — the outer layer with no vessels
• The dermis and the subcutaneous fat layer
• What the skin does

Key terms

• Skin
• Epidermis
• Dermis (proper skin)
• Subcutaneous fat layer
• Horny layer
• Keratin
• Melanin
• Sweat gland
• Sebaceous gland
• Receptor
• Thermoregulation
• Vitamin D

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