húðinni
The skin, referred to in Icelandic as húð, is the body’s largest organ, forming a protective boundary between internal tissues and the external environment. It helps regulate temperature and water balance, and serves as a sense organ and immune barrier.
It consists of three main layers: the epidermis (outer), the dermis (middle), and the hypodermis or subcutaneous
Functions include a protective barrier against pathogens and chemicals, and prevention of water loss. Thermoregulation occurs
Variation and health considerations: Skin color is largely determined by melanin distribution. Aging leads to thinning,