About 400 different kinds of microbes live on and in the human body.
-3
Human hair and fingernails continue to grow after death.
7
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
In the average lifetime a person will breath in about 44 pounds of dust.
21
On average, there's 100 billion neurons in the human brain.
83
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
When you take a step, you are using up to 200 muscles.
885