The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are about 255 babies born worldwide every minute.
46
Human hair and fingernails continue to grow after death.
7
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A human being loses an average of 40 to 100 strands of hair a day.
133
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The average sperm cell swims at 8 inches per hour.
4
In one day, adult lungs move about 10,000 litres of air.
11