How much do you know about sex?

A fun quiz on some sexual facts... because the last quiz was appallingly rudimentary and lacking any kind of knowledge.

1 During a 30 minute sex session, about how many calories are burned on average?
2 The average length of an erect human penis is how many inches?
3 How many parts does the female human clitoris have?
4 True or False: Only women have g-spots.
5 What is the technical term for the missionary position?
6 Where are a majority of the world's condoms produced (around billion of them)?
7 True or False: The female clitoris head has more nerve endings than the entire male penis.
8 What is the average shelf life of a latex condom?
9 Dendrophilia is the sexual fetish in which a person has a strong desire to engage in sexual acitivity with...
10 According to Playboy, what is the most popular sexual aid?