Enamel is hardest substance in the human body.
61
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Every day, the average person swallows about a quart of mucous.
5
The average person's skin weighs twice as much as their brain.
131
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
Deep Breathing gives you health benefits similar to aerobics.
39
Human thigh bones are stronger than concrete!
63
The largest cell in the human body is the female egg and the smallest is the male sperm.
682