The human heart creates enough pressure to squirt blood 30 ft.
37
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
The human brain doesn't stop developing until about 25 years old.
102
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
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
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
The tongue is the strongest muscle in the human body.
50