When you take a step, you are using up to 200 muscles.
886
A sneeze can travel as fast as 100 miles per hour.
43
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
35,000 people in the U.S. will die from the flu annually.
6
The average person who stops smoking requires one hour less sleep a night.
79
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36