Psst, kunilou, look at the links. I thought the same thing at first, but the full chart covers all features of human anatomy, with the most prominent being the skeletal and muscular systems. The reproductive bits are buried in amongst plenty of other assorted viscera.
Well, yeah, but if you blow them up to posterboard size, the gentalia are nearly 1:1 (!)
These are the kinds of halloween parties we do: http://www.vimeo.com/2713198
next year the big add-on is turning the garage into Frankensteins lab.
Also, Webster’s Ninth Collegiate gives dildo a birthdate of 1598.
I strongly suspect folks had a keen interest in the joys of sex long before publication of The Joys of Sex. How old is the Kama Sutra?