Sex How It Works (2013)

Weve been doing it since we first walked the Earth It gives us pleasure and it gives us life But how much do you know about how sex works Now National Geographic Channel takes a fascinating look at one of the worlds most popular pastimes sex Through gripping reallife stories and simulations we journey from first times to playing the field and all the way to humankinds ultimate goal procreation Well learn anything and everything youve ever wondered about sex