By weight, Bone is five times stronger than steel.
417
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
In one day, adult lungs move about 10,000 litres of air.
11
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Our Right Lungs takes more air than our left lung.
194
Mushrooms are more closely related to humans than they are to plants.
47
A human being loses an average of 40 to 100 strands of hair a day.
133