A human being loses an average of 40 to 100 strands of hair a day.
133
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
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Held in farts enter your bloodstream and are bad for your body.
26
Your thumb is about the same size as your nose.
124
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13