So here is some birthday trivia I copied and pasted
Strange Birthday Facts
- Since your last birthday 31,536,000 seconds have passed.
- In the past year your hair will most likely have grown 12 cm and your nail about 4 cm.
- Your heart beats at a rate of around of 72 to 80 beats per minute - since your last birthday it will have beat about 42,075,900 times.
- You breath at a rate of about 30 breaths per minute so, since your last birthday you have taken approximately 15,768,000 breaths.
- The volume of blood in your body is approximately 5 litres. The heart pumps about 280 litres of blood around your body every hour - that’s 2,688,000 litres per year!
- The average garden snail (not one that has entered the Olympics 100 meters race) moves at around 0.03 mph. If one set out on your last birthday, and walked non-stop it would have traveled 263 miles. If you walked this distance non-stop you would complete it in around three days.
- Since your last birthday you will have had about 1,460 dreams.
- World population has grown by around 76,570,430 since your last birthday. In the time it takes you to read this another five babies will have been born.
- During the past year there have been more than 50,000 earthquakes throughout the world.
- The Earth is zooming around the sun at around 66,780 miles per hour! Since your last birthday the Earth has completed one journey around the sun travelling about 584,337,600 miles.
- If you counted 24 hours a day, you would be over 31,000 years old when you reach one trillion!