It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
It takes approximately 12 hours for food to entirely digest.
93
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
We share 70% of our DNA with a slug.
218
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15