The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
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
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
Fingernails grow nearly 4 times faster than toenails.
31
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
One quarter of the human brain is used to control the eyes.
43
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Within three days of death, the enzymes that once digested your food begin to eat you.
22