Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Yawns are more contagious among people with closer relationships.
163
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The world's shortest man measures only 21.5 inches.
73
The human body contains over a billion miles of DNA.
147
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15