How much iron is in the body of a healthy adult? Detailed answer

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How much iron is in the body of a healthy adult? Detailed answer

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How much iron is in the body of a healthy adult?

In the body of a healthy person, 4-5 grams of iron is constantly present.

Approximately 70 percent of this amount is required to saturate the hemoglobin packed in red blood cells, 5-10 percent of iron is in myoglobin, which is involved in the transfer of oxygen and carbon dioxide in the muscles, 20-25 percent are in reserve, mainly in the liver.

About 0,1 percent of all iron is bound to the protein transferrin in plasma.

Author: Kondrashov A.P.

Random interesting fact from the Great Encyclopedia:

How do tornadoes start?

Almost everyone had to get into an ordinary storm with thunder and strong gusts of wind. There are, however, storms that simultaneously cover an area of thousands of square kilometers. One type of such storm is called a cyclone. During a cyclone, winds blow from everywhere towards the center of the storm, where there is an area of low pressure.

It is curious that these winds form a giant air spiral, which "twirls" clockwise in the southern hemisphere of the Earth, and counterclockwise in the northern hemisphere. A tornado is just a special kind of cyclone. It is caused by the same causes as ordinary storms, but only manifested with unusual force.

At first, due to some circumstances, a powerful vertical draft of air appears. It begins to rise rapidly, which leads to the emergence of horizontal air currents - winds blowing in opposite directions around a vertical stream.

As a result, a whirlwind appears - a narrow column of air, spiraling upwards, rapidly moving along the surface of the earth. When this happens, the centrifugal force throws the air against the outer "walls" of the vortex, in the center of which there is a low pressure area.

The pressure drop is so great that this area begins to look more and more like a vacuum pump. This is one of the main dangers of tornadoes. He tears out the walls of houses with such force, sucking them into the sky, that they collapse as if they were made of cardboard. Winds that form a whirlwind have no less destructive power. Sometimes they reach speeds of almost 500 km / h, and nothing can resist them.

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