Final answer:
The skin makes up about 16 percent of body weight in adults and is part of the integumentary system. This system protects organs, maintains health, and covers a specific area on the body.
Step-by-step explanation:
The skin makes up about 16 percent of body weight in adults. Additionally, the skin and its accessory structures form the largest organ system in the human body, known as the integumentary system. The integumentary system is responsible for protecting the inner organs, maintaining health, and covering an area of 1.5 to 2 m².