Your thumb is about the same size as your nose.
124
Within three days of death, the enzymes that once digested your food begin to eat you.
22
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
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
In one day, adult lungs move about 10,000 litres of air.
11