Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In one day, adult lungs move about 10,000 litres of air.
11
The human body contains over a billion miles of DNA.
147
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62