A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
The lense of the eye continues to grow throughout a person's life.
34
Your heart beats over 100,000 times a day!
54
One out of 20 people have an extra rib.
66
The human brain uses approximately as much energy as a 10 watt light bulb.
120
We blink 25 times a minute.
51
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