If routers forwarded IP broadcast packets by default, the packets would have to be forwarded out every interface that is enabled for IP because the 255.255.255.255 IP destination address is assumed to be reachable via every IP enabled interface in the router.
Integumentary System. Introduction. The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.
As an organ system of the human body, the integumentary system is mainly composed of the skin, nails, hair, glands and nerves. In some animals, feathers and scales are also part of the system. The main purpose of the integumentary system is to protect the inner tissues of the body.