10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
The lense of the eye continues to grow throughout a person's life.
34
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Your body is creating and killing about 2.4 million red blood cells per second.
17
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
