Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
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
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99