A human being loses an average of 40 to 100 strands of hair a day.
133
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
In one day, adult lungs move about 10,000 litres of air.
11
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
If you hold farts in during the day, they'll just come out when you sleep.
16
Your thumb is about the same size as your nose.
124