Facts Of Interest

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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Why shouldn’t anthills be destroyed?

The answer is simple: because ants are useful! But before discussing the benefits of ants for humans and the forest biocoenosis, we would like to emphasize that destroying anthills is just as unacceptable as any destructive

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Why can’t you divide by zero?

It’s because the four actions of arithmetic-addition, subtraction, multiplication, and division-are actually unequal. Mathematicians recognize only two of them - addition and multiplication - as valid.

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