(1) 7. The integumentary system functions to maintain homeostasis by keeping the body's __ within a normal range. internal temperature glucose levels blood pressure sodium potassium pump

The correct answer is "internal temperature." The integumentary system, which includes the skin, hair, and nails, plays a crucial role in maintaining homeostasis by regulating the body's internal temperature. It does this through processes such as sweating and adjusting blood flow to the skin.