It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
A human being loses an average of 40 to 100 strands of hair a day.
133
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
There are about 1,400 different species of bacteria in your belly button.
10
One human hair can support 3 ounces.
191
In one day, adult lungs move about 10,000 litres of air.
11
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
