Take a look at your body. All the parts you can see, as well as all those on the inside, have been given a name at some point in history. There are plenty of descriptive, fairly innocuous names. But ...

What are those dog ears doing on my heart? Ancient anatomists named body parts after things they resembled in real life. So you've got a rooster... The hipbone's connected to the leg bone, connected ...

Why it matters that kids learn the right terms for their body parts — including the difference between the vulva and the vagina. (Getty Images) Experts agree that it's important to teach kids the ...