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Sex Trivia: Sex Your Brain!

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Welcome to Sex Your Brain—the stimulating educational site that expands your sexual smarts (and skills!) with fun sex trivia questions, quizzes and commentary.

Poke around to stretch YOUR brain cells on the science of human sexuality and the web’s largest sex survey.

Sex Trivia 101:
1. What's the average length of a man's erection?


2. What percentage of our survey takers have experienced female ejaculation?


3. Do most women have routine clitoral erections while they sleep?


4. Is the human penis a muscle, or a bone?



5. Women's non-lactating breasts are mostly made of what substance?


6. Which testicle dangles lower in most men?


7. Do sperm have brains?


101 Ways to Sex Your Brain:
  • The Sex Survey: See how your sexual stats compare to your peers…
  • Sex Trivia Test: Stretch your sexual smarts on our famous sex trivia test.
  • Sex Quizzes: A complete listing of our unique sex quizzes.
  • Sexy Q&A: Accurate answers to the craziest sex trivia questions.
  • Latest News: Our freshest sex related articles, commentary and quizzes.
Sex Your Brain on Science:

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Thanks for your support!
-Mr. Science

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