Facts Of Interest

What is dehydration, what are its symptoms and how to deal with it

For a more or less healthy person, the first and most correct symptom of lack of water in the body is thirst. It equips the human body with excellent self-regulation mechanisms.

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What city is in danger of disappearing under water?

In the early 1960s, the population of one city was shocked by the news that it was gradually going under water.

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Why do people yawn?

Yawning is a deep, long breath with the mouth wide open and a quick exhalation. Yawning occurs not only in humans but also in other mammals, birds, and reptiles. Even children who are still in the womb yawn.

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What is the appendix for? What is appendicitis?

The appendix (worm-like appendix) is a tube about 8-15 cm long and about 1 cm in diameter, extending from the lower end of the cecum and closed on the other side. It is a “blind” tube that leads nowhere.

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Why do trees drop their leaves in the fall?

The first reason. A tree’s leaves collectively have an extensive area, and water evaporates intensely from this entire area. In summer, the tree can compensate for losing moisture by extracting water from the soil.

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Why does a person hiccup?

Hiccups are a process in which the body wants to get rid of stress from the so-called vagus nerve.

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How much water is in us?

The amount of water in our body depends on our age. Characteristically, a six-week embryo, which formed the rudiments of the basic systems of the future body, 97% consists of water, in newborns its amount decreases to 77%

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Why aren’t the letters on the keyboard in alphabetical order?

The arrangement of letters on a computer keyboard is a legacy of typewriters that appeared in the 19th century.

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Why don’t clouds fall to the ground?

Everyone knows that clouds comprise tiny water droplets or ice crystals. The water droplets in a cloud vary in diameter, from fractions of a micrometer to several millimeters. No matter how small the ice droplet is, it is still heavier than air

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