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Do you have trouble recognizing people? Try the oxytocin!

Oxytocin, produced by the hypothalamus and secreted by the pituitary gland, induces contractions of the uterine muscle during labor and stimulates milk secretion. But other and eventual functions - or applications - of the hormone have been the subject of several studies. Now new research highlights its role in face recognition.
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Enzymes

Life depends on the realization of innumerable chemical reactions that take place inside and outside cells (for example, in organ cavities). On the other hand, all these reactions depend for their realization on the existence of a certain enzyme. Enzymes are protein group substances and act as catalysts for chemical reactions.
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The need for mineral salts

The importance of certain chemical elements and mineral substances for human metabolism is becoming increasingly evident. The table below summarizes the main chemical elements needed by the human body. Among them, macronutrients are the ones we use in large quantities, while micronutrients are used in small quantities.
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Mollusks and the environment

For centuries, ships carried solid ballast in the form of stones, sands or metals. Today's vessels use water as ballast, which makes it much easier to load and unload a ship, and is more economical and efficient than solid ballast. But what is ballast? When a ship is unloaded, ie unloaded, it becomes very light.
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The solar system

The solar system is a set of planets, asteroids and comets that revolve around the sun. Each one remains in its respective orbit due to the intense gravitational force exerted by the star, which has much greater mass than any other planet. The most important bodies in the solar system are the eight planets that revolve around the sun, describing elliptical orbits, ie, slightly eccentric circle-like orbits.
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Pleiotropy

A pair of genes, several characteristics Pleiotropia (from Greek, pleion = more numerous and tropes = affinity) is the phenomenon in which a pair of allele genes conditions the appearance of several characteristics in the same organism. Pleiotropy shows that the Mendelian idea that each gene affects only one trait is not always valid.
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