Attention Men: This Is Why You Have Nipples

Sorry to break it to all you bros out there, but back in the day you were just one of the ladies.

And while we're sure you'll be happy to finally release the goddess within, take a moment to learn how you grew up to be oh so manly.

It has something to do with chromosomes and skin overlapping ... and all that other stuff they taught you in 7th grade science class, but you were too busy making paper airplanes to listen to.

That's why this video from ASAP Science reveals the answer to the most asked question of history — Why do men have nipples? Just watch and learn.

What was the most surprising thing you learned in the video? Share in the comments below.

1. 1. Can You Say Banana?

   Apples and banahoahahshas.

2. 2. Cuban Spider

   Cuban Pete is king of the rumba beat.

3. 3. Running Toy Poodle

   Just needed a little exercise.

4. 4. Hokey Pokey Dog

   Hokey Pokey on repeat.

5. 5. Yay! Kermit Arm Flail

   Typical Muppet reaction.

6. 6. Gangnam Han Solo Style

   Gangnam Style + Star Wars = 11 Seconds of Awesome

7. 7. Crawling Cat

   Pugs are pretty scary.

8. 8. The Screaming Sheep

   AHHHHHHH!

9. 10. Soccer Ball + Face = Ouch

   No description needed.

10. 11. Cat Fight

    Fur will fly.

11. 12. Four Legs at a Time

    Hoppity hop pug.

12. 13. We're Trucking!

    Trucking, trucking...whaaa?

13. 14. 5 Little Welsh Corgi Pembroke Puppies

    Sometimes all you need is a few seconds of puppies.

14. 15. Cheerleader Fail.

    High kicks.

15. 16. Afraid of Technology

    This is why people are afraid of technology.

16. 17. How To Pronounce Hamburger

    Now you know how to say hamburger.

17. 18. "I So Pale"

    Failed to watch for the red light.

18. 19. Shortest Attention Span Ever

    Well, that was fun.

19. 20. PSYwalker

    Luke tries to resist the Dark PSYde.

20. 9. Sneezing Baby Panda

    Gesundheit.

Photo via iStockphoto, khananastasia.