The penis may be a man’s best friend, but there are still penis facts that many men may not know - or only think they know. Just as with human best friends, sometimes there is more to a guy’s favorite appendage than may be immediately obvious - and sometimes what’s secret could have an impact on penis health. So with that in mind, guys are encouraged to take the simple quiz to see how up to par they are with their penis facts.

1. True or False: The human penis has one large bone in ...


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