Скачать или смотреть What is human body made of?

What is human body made of?
in fact 99.95% of your body weight is just made of eleven elements. The four major elements in human body are oxygen, carbon, hydrogen and nitrogen. It makes up 96% of our body. Added to the list are calcium, phosphorous, potassium, Sulphur, sodium, Chlorine, Magnesium and it forms 99.95% of our body.
But there are traces of other elements too, these include iron, iodine, zinc, selenium, copper, molybdenum, even gold and others.
Also nearly 60% of our body is water. And water is made up of hydrogen and oxygen (H2O). So hydrogen and oxygen forms a major chunk of our body.

So if we segregate elements in human body body, it is 65 per cent oxygen, 18 per cent carbon and 10.2% hydrogen. Other elements like nitrogen forms about 3.1%, a pinch of calcium for the bones forms about 1.6 %, 1.2 % is phosphorous, and around 0.25% is potassium and Sulphur. With very small percentages of sodium, chlorine and magnesium, and we hit the 99.95 % mark explained above.

An average person’s body is composed of about 7 billion billion billion atoms. So the atom we are made of must have been in many previous and present living things, including trees, grass, insects or dogs, or even in dinosaurs and our ancestors.

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