The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Every day, the average person swallows about a quart of mucous.
5
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
The average human body contains enough iron to make a small nail.
50
Your tongue is the only muscle in your body that is attached at only one end.
173
You see your nose at all times, your brain just chooses to ignore it.
30
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15