True or False? You don't use it you lose it..?

How many different things can this apply to?True or False? You don't use it you lose it..?
Playing a musical instrument


Your voice in singing


typing on the computer


A toned musce body


Math


um and i think readingTrue or False? You don't use it you lose it..?
A LOT





http://uk.answers.yahoo.com/question/ind鈥?/a>
False for evolution
A singing voice (sometimes), sense of humor (sometimes)





Wow, this is harder than I thought it would be... I was ready to give a good answer and then I realized my mind was blank.
your brain


your body fitness
True.





Speaking a foreign language
many things....
O hellz ya.