Flatworms, also called plathelminths, are a group of invertebrates that have a soft body and are generally very flattened. Several species of flatworms can live outdoors, but about 80 percent of all are parasites, that is, they live in or in another organism and feed on it. They are symmetrical bilaterally, so the right and left sides are similar and do not have specialized respiratory systems, skeletal and circulatory systems. The body is not segmented, and the spongy connective tissue constitutes the so-called parenchyma and fills the space between the organs.
A famous Greek philosopher and mathematician, Thales of Miletus is known for being the founder of Miletus' School to which other famous representatives such as Anaximenes and Anaximander belonged. He was considered in antiquity as one of the Seven Wise Men of Greece. He was one of the first scholars to transcend the mythological approach that characterized Greek philosophy in the ancient centuries.
Alexander the Third of Macedonia, better known in the world as Alexander the Great, was a Macedonian king from 336 B.C. until the day he died. A man of great intellectual and military training by Aristotle. Dedicated to imposing authority he possessed before the Macedonian people, who, when Philip died, took advantage of the situation and made a whole revolution. The mark that Alexander the Great left throughout history is absolutely incredible, taking into account his heroic achievements and great personality. His words, always correct, made him grow in such a way that he was even able to move entire armies to satisfy his ambition. Conqueror of territories, he was in charge of spreading Greek culture and fusing cultures, he implanted language, art, politics and religion, in other words, he changed the whole world in his time.
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