Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In one day, adult lungs move about 10,000 litres of air.
11
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Pain occurs when sounds are above 130 db.
124
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93