BIG ENCYCLOPEDIA FOR CHILDREN AND ADULTS
Who Invented Shoes? Detailed answer Directory / Big encyclopedia. Questions for quiz and self-education Did you know? Who Invented Shoes? When the ancient man had to overcome sharp stones, he realized that he needed something to put on his feet to protect them. Therefore, the first shoes he invented (perhaps sandals) were made from grass, strips of leather, or flat pieces of wood. The man attached them to the soles of his feet with twine, and wrapped the ends around his ankles. Of course, in cold countries, sandals did not protect the feet from frost, so other materials were attached to them: sandals turned into boots. The Egyptians were the first to make extensive use of boots. The sole was made of leather or papyrus, which was tied to the foot with two straps. To protect the thumb, the toe of the boot was bent up. The Romans went even further and invented sandals. They had slits on the sides and straps tied in the center. There were different sandals that were allowed to be worn only by people from a certain class. In colder countries, independently from each other, people began to create warm shoes. Sometimes they wore pouches lined with grass and tied to their legs. Over time, the Eskimos and Indians invented moccasins based on them. And shoes reminiscent of modern ones were invented by the crusaders who went on long campaigns. In order to protect their feet, they needed boots that lasted a long time. Over time, leather shoes of extraordinary beauty appeared in France, Italy and England. The vagaries of fashion greatly influenced the shape of shoes. For example, during the time of King James I of England, people from high society began to wear shoes made of very thin leather with high heels. They were uncomfortable to walk in, but people continued to wear them. And before high-heeled shoes appeared, narrow boots with long, up to 12 or 15 cm, socks, bent up, were in fashion. And in the United States, the art of sewing shoes has appeared since 1629, when Thomas Beard came there under a contract to produce shoes for the pilgrim colony. Author: Likum A. Random interesting fact from the Great Encyclopedia: What is endocrinology? Our body has organs that produce chemicals whose purpose is to keep the body, as they say, in working condition. These chemicals are called hormones. And the organs that produce hormones make up the so-called endocrine system. The science that studies these organs and the hormones themselves is called endocrinology. The organs of the endocrine system are called endocrine glands, because they send the substances they produce directly to the blood circulating inside the body, which carries them to different parts of it. The endocrine glands have the following names: thyroid, several parathyroid glands, adrenal gland, ovary (or testis), pancreas, and thymus (goiter) gland. Some of them produce different types of hormones, others - only one. The endocrine system regulates many functions of the human body. So, for example, his height and size, appearance, distribution of hairline, total weight, the so-called secondary sexual characteristics of men and women - all this is regulated by hormones. They also regulate the amount of urine produced by the body, body temperature, the rate at which metabolism (metabolism) is carried out, the sugar and calcium levels in the blood, and the conversion of proteins into a kind of energy carriers. But how they are able to do all this is still not entirely clear to specialists. Hormones are responsible for the activity of the reproductive organs. They are an important factor in the development of a person's personality. Mental and physical activity, femininity and masculinity - all this is greatly influenced by hormones.
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