🧠Skin – Functions and Academic Overview 🧬 Physiology of the Skin – Academic Overview The skin is the largest and most accessible organ of the body, forming a protective and interactive interface with the external environment. It performs vital physiological functions including barrier protection, sensory reception, thermoregulation, immunity, excretion, absorption, metabolic processes, and wound healing. 🧠I. Structure Overview – Foundation of Physiology The physiological roles of the skin