It takes approximately 12 hours for food to entirely digest.
93
By weight, Bone is five times stronger than steel.
417
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
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
The average person's skin weighs twice as much as their brain.
131
Mushrooms are more closely related to humans than they are to plants.
47