Although copper is the third most  abundant trace mineral in the body (behind iron and zinc), the  total amount of copper in your body is only 75-100 milligrams, less  than the amount of copper in a penny.
Gratuitous. Bestowed or granted without consideration or exchange for something of value. The term gratuitous is applied to deeds, bailments, and other contractual agreements. A gratuity is something given by someone who has no obligation to give and can be used in reference to a bribe or tip. gratuitous. adj. or adv. voluntary or free. gratuitous
fatÂ·uÂ·ous. adj. Foolish or silly, especially in a smug or self-satisfied way: an era of delicious, fatuous optimism shaped by the belief that enough good will on the part of people like ourselves could repair anything (Shirley Abbott). See Synonyms at foolish.