Pop quiz: What's the largest sex organ in the human body? Now, don't start getting all X-rated here - this body part's located above the the belt ... waayyy above the belt. Have you guessed it yet? The answer: Your brain. In fact, it isn't just our bodies that are stimulated by sex; during orgasm, our brains light up much like they would in response to a dose of heroin. Fortunately, this high is actually good for your health.

Check out some other interesting facts about the brain and the science of desire in this infographic from MedicalBillingandCoding.org.

Your Brain On Sex
From: MedicalBillingandCoding.org