Thanks to BuzzFeed for providing us with more information than we ever needed to know about sperm, in handy infographic format. Some nuggets of info we’ve gleaned: a serving size (one teaspoon) contains 20 calories and the average speed of ejaculation is 31 miles per hour. Learn lots more after the jump.
![12 Sexy Valentine's Day Must-Haves [PHOTOS]](http://buzzworthy.buzzbytes.net/files/2012/02/rose-130x198.gif) |
12 Sexy Valentine's Day Must-Haves [PHOTOS] – YourTango |
 The Most Bizarre Valentine's Day Gifts EVER – Huffington Post | |
| MUST READ: What You Should Know About Your Birth Control Pill – College Candy | |
| Learn About The Days Leading Up To Whitney Houston's Death – Celebrity Cafe | |
| Find Out What Music Says About Your Personality – Tres Sugar | |
| SEE: Jennifer Aniston Caught Getting Frisky With Paul Rudd – The Berry |
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