On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
By weight, Bone is five times stronger than steel.
417
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only humans shed emotional tears.
331
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
It takes approximately 12 hours for food to entirely digest.
93
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.
34
Yawns are more contagious among people with closer relationships.
163