The skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection. It protects the body from external factors such as bacteria, chemicals, and temperature.
The integumentary system is the set of organs forming the outermost layer of an animal's body. It comprises the skin and its appendages, acting as a physical barrier between the external environment and the internal environment that it serves to protect and maintain. The integumentary system includes hair, scales, feathers, hooves, and nails.
Answer:Central idea: The main point of a piece of writing, often stated in a thesis statement or topic sentence. Clincher sentence: The sentence that summarizes the point being made in a paragraph, usually located at the end.
