Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
When a person dies, hearing is usually the last sense to go.
124
The human brain uses approximately as much energy as a 10 watt light bulb.
120
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
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
The human brain is insensitive to pain.
76