It has a various number of functions in the body from building, maintaining fluid balance and help with digestion to supplying us with energy when needed. (get-a-wingman.com)
In other words, we have just examined only a small number of the functions which the eternal object might play. (religion-online.org)
It also presents a small surface for attacks, to begin with since the secure chip performs such a small number of functions. (androidheadlines.com)