If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If you hold farts in during the day, they'll just come out when you sleep.
16
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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