An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
On average, there's 100 billion neurons in the human brain.
83
Your heart will pump about 212 million liters in its lifetime.
26
The human brain has the capacity to store everything that you experience.
4k
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13