The human body is really quite amazing. When you think about all of the things that it does in addition to feeling and being and thinking, as deeply as it does… It truly is amazing.

As with any incredibly complex and intricate system, the human body has several functions you might not know about. And if you’re feeling curious, you’ve come to the right place. Here are 50 quick and interesting facts about your wonderful body.

1. The only part of the body with zero blood supply is your cornea. Oxygen comes from the air instead of your blood.

2. The human brain’s storage capacity works out to roughly 2.5 petabytes. That’s enough to keep over 4,000 years of mp3 files running continuously.

3. You had the ability to breathe and swallow at the same time until you were seven.

4. When you sneeze, your body’s functions stop entirely – even your heart.

5. Nerve impulses coming from your brain move at 274 km/h. Want to know how crazy fast that is? Look at this video of a car crashing at 193 km/h.

6. Your body will pump 182 million liters of blood if you live to the average expectancy. If that blood were oil it would work out to over $44 million worth of oil at the current (low) price.

7. Charles Osborne was a man who hiccuped continually for 68 years. This man seems to be working on beating that record.

8. Right-handed people live an average of nine years longer than lefties.

9. All the blood vessels in your body add up to 100,000 km in length. That’s pretty long.

10. Feeling a little hot-headed? 80% of your body heat is lost from your head.

11. When water loss is equal to 1% of your body weight, you’ll feel thirst. 5% and you’ll faint – 10% and you’ll be dead.

12. Are we there yet? The average four year old will ask 450 questions a day.

13. Only 1% of all bacteria out there can result in one becoming sick.

14. When you blush, your stomach turns red.

15. There is a condition known as parthenophobia which is the fear of virgins, particularly girls.

16. Kissing creates a natural euphoria and gets your heart beating by 100 beats per minute or more.

17. You haven’t got that much iron in your body – if you collected all of it, you’d only have enough for about one gear in your wristwatch.

18. According to the University of Maryland Medical Center, 99% of the calcium in your body is contained in your teeth.

19. You can burn 150 calories per hour by banging your head against a wall. And that’s not the only bizarre way to shed those c’s.

20. Smoking a pack of cigarettes a day equates to drinking half a cup of tar.

21. A dwarf is classified as an adult 4’10” or shorter.

22. The color of your eyes can affect everything from your ability to drink alcohol to the ability to cope with pain. For example, people with blue eyes are more sensitive to pain.

23. Touch signals travel through your body at speeds up to 119m/s.

24. A baby is born without kneecaps. In fact, they don’t get them until they’re between 2 and 6.

25. Your eye can distinguish between up to a staggering 10 million colors.

[h/t: www.brightside.me]