You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
If your DNA was stretched out it would reach to the moon 6,000 times.
256
A human being loses an average of 40 to 100 strands of hair a day.
133
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
