Which organ is the largest in the human body?

The skin is the largest organ in the human body, serving as a protective barrier that covers and protects internal organs, muscles, and bones. It plays vital roles in regulating body temperature, sensing external stimuli, and preventing water loss. The skin consists of multiple layers, including the epidermis, dermis, and subcutaneous tissue, and accounts for approximately 15% of the total body weight in an average human adult.

Other organs, while significant in size and function, do not surpass the skin in terms of surface area. The liver is the largest internal organ and is crucial for processes such as detoxification, metabolism, and bile production, but it is significantly smaller in surface area than the skin. The brain, although considered the control center of the body and important for cognitive functions, is also smaller than the skin when considering overall size. The heart is essential for pumping blood throughout the body, but it is the smallest of the options listed. Therefore, the skin clearly holds the title of the largest organ in the human body.