The correct answer is protection because the integumentary system provides protection.
The skin and other parts of the integumentary system work in concert with other organ systems to maintain homeostasis. The skin works with the immune system to protect the body from pathogens by acting as a physical barrier to microorganisms.
Description: This feature is usually called the exoskeleton because it can be the hair of the nail, or basically the inner one that grows naturally on the outside, but in this case, it is not the exoskeleton, It is there to protect.
The skin has three main functions: protection, regulation, and sensation.
Thus it concludes that the integumentary system has the ability to provide protection.
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