90 amazing human body facts. Your heartbeats 101000 times a day.
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Measurement facts about the body. As early humans brains grew. A newborn child can. Messages from the human brain travel along nerves at up to 200 miles an hour 322 kmh. Pound for pound the strongest muscle in the human body is the masseter jaw muscle. The largest bone in the human body is the femur. It can support 30 times the weight of a persons body.
It is impossible to lick your elbow. The length from your wrist to your elbow is the same as the length of your foot. 22 in an adult human 25 of their. If they were laid end to end all. According to one calculation the average human head contains 456 trillion trillion atoms. Ounce for ounce thats stronger than.
Fast facts about your body. The old saw that we use just 10 percent of our brainpower isnt true. In ancient times the body ruled when it came to measuring. Your fingernails dont actually grow after youre dead. The human brain has a memory capacity which is the equivalent of more than four terabytes on a hard drive. The brain accounts for about 2 percent of body weight but it uses about 20 percent of the oxygen in our blood and 25 percent of the glucose circulating in our bloodstream.
In the 14th century king edward ii of england ruled that 1 inch equalled 3 grains of barley placed end to end lengthwise. Scientists arent exactly sure why we yawn but it may help regulate body temperature. It receives oxygen directly from the air. Theyre left over from hundreds of thousands of years ago. 99 quick and fascinating facts about the human body the only part of the body that has no blood supply is the cornea of the eye. During your lifetime it will beat about 3 billion times and pump about 400 million litres 800 million pints of blood.
At first an inch was the width of a mans thumb. The length of a foot the width of a finger and the distance of a step were all accepted measurements. It can clamp your chompers shut with 55 pounds of force on the incisors and 200 pounds of force on the molars. Wisdom teeth serve no purpose.
Gallery of Measurement Facts About The Body
