90 amazing human body facts. That little grey blob weighs just about 4 pounds and yet is quite possibly responsible for essentially all of our success as a species.
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Cool body measurement facts. According to one calculation the average human head contains 456 trillion trillion atoms. And along the way people have come up with some interesting and unusual units of measurements. The head can also be divided into thirds from the top of the head to the bottom of the forehead from the bottom of. Your blood makes up about eight percent of your body weight. A passionate kiss causes the same chemical reactions in the brain that skydiving and firing a gun do. Human teeth are just as strong as shark teeth.
Your left lung is about 10 percent smaller than your right one. It is impossible to lick your elbow. Nonstandard measurement for kids to learn human body facts number comparison basic math concepts. Scientists estimate that the nose can recognise a trillion different scents. Ounce for ounce thats stronger than. Men are officially classified as dwarves if their height is below 13 m whereas for women the measure is 12 m.
Apgar score if you were born in the past 50 years or so chances are you have an apgar score. Your heartbeats 101000 times a day. The largest bone in the human body is the femur. The nose is the length of the first two notches of the index finger from. 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. 7 fun body measurement activities with a piece of string.
Fast facts about your body. The old saw that we use just 10 percent of our brainpower isnt true. The width of the head is between four and five eyes wide. The length from your wrist to your elbow is the same as the length of your foot. It can support 30 times the weight of a persons body. Messages from the human brain travel along nerves at up to 200 miles an hour 322 kmh.
Wisdom teeth serve no purpose. 22 in an adult human 25 of their. Indeed it is the very first test all of us took. Scientists arent exactly sure why we yawn but it may help regulate body temperature. The structure of the human body contains only four minerals. Your brain accounts for only 2 of your body weight yet it uses 20 of the total oxygen and blood in your body.
Apatite aragonite calcite and crystobalite. Humans are the only species known to blush. The eyes are at the mid height of the head. Humans like to measure things distance mass time you name it weve measured it. Your fingernails dont actually grow after youre dead. Theyre left over from hundreds of thousands of years ago.
During your lifetime it will beat about 3 billion times and pump about 400 million litres 800 million pints of blood. As early humans brains grew. If they were laid end to end all.
Gallery of Cool Body Measurement Facts
