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🧴🧬 Structure of the Skin – The Body’s Protective Barrier The skin is the largest organ of the human body. It covers the entire body and performs multiple essential functions including protection, sensation, temperature regulation, and immune defense. Structurally, the skin is composed of three main layers: epidermis, dermis, and hypodermis (subcutaneous tissue). 📍 1. Epidermis – The Outer Protective Layer The epidermis is the superficial, avascular layer made of