Which organ covers the entire body and protects it?

Question: Which organ covers the entire body and protects it?

The skin is the organ that covers the entire body and protects it. Skin is the largest organ in the body and acts as a barrier to infection, regulates body temperature, and produces Vitamin D. It is composed of three layers: the epidermis, the dermis and the subcutaneous layer. The skin consists of a protective layer of dead cells that help the body retain moisture and fight against bacteria, fungi, and toxins. The dermis contains nerve endings that help the body sense touch, pressure, and heat. Blood vessels in the subcutaneous layer help provide nutrients to the skin and carry away wastes.

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