In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Held in farts enter your bloodstream and are bad for your body.
26
There's 100 trillion good bacteria living in your body.
17
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
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197