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Parts and Function of the Integumentary System Integumentary System is one of the systems which play an important role in our body. It is made up of different organs that we cannot live without. The Integumentary System is an organ system consisting of different parts. It has a set of important functions in the body. The following are the important functions of this organ system: It acts as a barrier to protect the body from the outside world. It protects the body against diseases. It helps retain body fluid. It eliminates waste products in the body in the form of sweat, oil, and wax.

This system is made up of different parts namely: SKIN It is the largest organ of the body but only a few millimeters thick It forms the body's outer covering It protects the body from chemicals, diseases, ultraviolet rays of the sun, and physical damage It is the body's first line of defense

HAIR It is an accessory organ of the Integumentary System It aids in a person's social functioning It is made up of columns of tightly packed dead keratinocytes It is found and scattered all over the body

NAILS It covers the tips of the fingers and toes It is also an accessory organ of the Integumentary System that is made up of sheets of hardened keratinocytes It protects the fingers and toes from environmental damage

EXOCRINE GLANDS It helps produce body sweat, oil, and wax It helps cool down the skin's surface It helps protect the skin It moisturizes the skin's surface