How important is the lungs? The importance of the lungs lies in the body obtaining the oxygen that is important for survival, and ridding the body of carbon dioxide gas. The lungs transport oxygen to the blood stream that carries it to all parts of...
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introduction Anxiety about the Corona virus, and the uncertainty of how to confront it, causes many questions in your head: Can it end soon? Is it possible for the high summer heat to kill it and end? Is it possible to find an effective vaccine...
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Introduction The invasion of viruses to the world is not a result of the moment. In 1918, the Spanish flu pandemic broke out, which affected about 500 million people, or one third of the world's population. The epidemic was responsible for killing more than 50...
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Definition of growth hormone Growth hormone (GH) is a protein hormone secreted from the pituitary gland, which works by binding to growth hormone receptors, as it stimulates direct effects or begins to produce the first insulin-like growth factor (IGF-I), the most important mediator in growth...
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Definition of hormones Hormones are chemical messages sent through the bloodstream to tissues or organs to help them do their job, produced by the body through the glands. In our endocrine system (adrenal glands, gonads (testis and ovaries), pituitary gland, hypothalamus, thyroid gland, pancreatic islets)...
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Introduction to diabetes According to statistics on diabetes in the world in 1980, there were about 108 million patients, in 2014 the numbers rose to 422 million adults, 4.7% of the total world population, in 2016 the number rose to 8.5%. As it turns out,...
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Millions of people suffer from asthma every year. In fact, there are nearly 300 million people worldwide, as well as 20 million people in the United States who have been diagnosed with asthma. What is asthma and how does the human body respond to it?...
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