I suppose you are right, although they are an CAN be used interchangeably. Mind: intellect or understanding, as distinguished from the faculties of feeling and willing; intelligence. Brain:the brain as the center of thought, understanding, etc.; mind; intellect. Those Dictionary.com definitions are very similar.
Penises don't have brains.
Its a joke, and in a way penises/balls do have their own brain
Actually they don't in any way have a brain. A penis sometimes might seem to have a MIND of its own, but that's not the same thing as a brain.
I suppose you are right, although they are an CAN be used interchangeably. Mind: intellect or understanding, as distinguished from the faculties of feeling and willing; intelligence. Brain:the brain as the center of thought, understanding, etc.; mind; intellect. Those Dictionary.com definitions are very similar.