An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Babies crawl an average of 200m a day.
212
By weight, Bone is five times stronger than steel.
417
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
You can't tickle yourself.
29
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515