Conversation so far:
what are three functions of the skin or integument
The skin and accessory structures perform a variety of essential functions, such as protecting the body from invasion by microorganisms; preventing dehydration; acting as a sensory organ.
what else does the skin do
The skin and accessory structures perform a variety of essential functions, such as modulating body temperature and electrolyte balance; and synthesizing vitamin D.

Question: any other functions
Self-contained rewrite: any other functions of the skin