There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Your heart will pump about 212 million liters in its lifetime.
26
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The average person's skin weighs twice as much as their brain.
131
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
In one day, adult lungs move about 10,000 litres of air.
11
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22