Which system is characterized by symptoms such as itching, rash, and changes in scars or moles?

The integumentary system is the body's largest organ system, primarily comprising the skin, hair, nails, and various associated glands. Symptoms such as itching, rash, and changes in scars or moles specifically point to issues related to the skin. The integumentary system plays a crucial role in protecting the body from environmental hazards, regulating temperature, and providing sensory information.

When experiencing itching, it may indicate an inflammatory response or irritation within the skin layer, which is part of the integumentary system. Similarly, rashes can manifest from various conditions affecting the skin, from infections to allergic reactions and beyond, all of which ultimately involve the integumentary system. Changes in scars or moles—such as size, shape, or color—can be indicators of skin disorders, including possible dermatological malignancies, which also tie back to the health of the integumentary system.

The other options reflect different organ systems or categories that do not specifically align with the symptoms outlined. For instance, the neurological system relates to the brain and nerve functions; psychiatric issues focus more on mental health rather than physical symptoms manifesting on the skin; and while allergic or immunologic responses can result in dermatological symptoms, they are not solely characterized by the