Via Salon.com’s Broadsheet, we get this helpful reminder of basic facts about human anatomy. Be warned that some parents might not want to explain the picture to small children, or perhaps to their bosses. It’s safe for work, though.

Thanks to Dulamae for the poster and to the Duggars for their 17 offspring, all of whose names begin with the letter “J.”
Joshua Rosenau spends his days defending the teaching of evolution at the