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