Your heart will pump about 212 million liters in its lifetime.
26
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
There's 100 trillion good bacteria living in your body.
17
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
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
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