The smallest human penis ever recorded was just 5/8 of an inch long!
77
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Every time you sneeze some of your brain cells die.
113
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Every year your body replaces 98% of your atoms.
119
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23