Final answer:
An organ is a group of tissues that work together to perform a specific function. The large organ of the integumentary system is the skin.
Step-by-step explanation:
In biology, an organ is a group of tissues that work together to perform a specific function. Organs are made up of different types of tissues and are part of organ systems in the body. For example, the heart is an organ that is made up of cardiac muscle tissue and is part of the circulatory system.
The large organ of the integumentary system is the skin. The skin is made up of multiple layers of tissue, including the epidermis, dermis, and subcutaneous tissue. It functions to protect the body from external harm, regulate body temperature, and help with vitamin D synthesis.
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