After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human sigh acts as a physiological reset button.
23
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In one day, adult lungs move about 10,000 litres of air.
11
The average sperm cell swims at 8 inches per hour.
76