Вопрос № 284439 - Английский язык

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The human heart contracts from the first moment of the life until the last one. 1____________. Physiologists have determined that in the adult the heart makes from 60 to 72 beats per minute. 2_________. Research work has determined that rate of the heart beat increases depending on different emotions.
Each beat of the heart is followed by a period of rest. 3_____________.
Each cardiac cycle consists of three phases: the first phase of short contraction – the atrial systole, the second phase of a more prolonged contraction – the ventricular systole. The period of rest is called the diastole.
4____________.

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The human heart contracts from the first moment of life until the last one. The contractions of the heart pump the blood through the arteries to all 1_______ of the body. Physiologists have determined that in the adult the heart makes from 60 to 72 2_______ per minute. In children the rate of heart beat is much higher. Research work has determined that rate of heart beat increases depending on different emotions.
Each beat of the heart is followed by a 3_______ of rest. Each contraction and a period of rest compose a cardiac cycle.
Each cardiac cycle consists of three phases: the first phase of short contraction – the atrial systole, the second phase of a more prolonged contraction – the ventricular systole. The period of rest is called the diastole.
Research 4_______ of many physiologists has estimated the role of the ventricles as the main pump of the human heart.

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The main symptoms of tetanus are stiffness of jaw, spasms and convulsions, difficulty in swallowing. 1____________________________. The incubation period is from 5 days to 2 weeks. 2_________________________________. 3________________________________. The patient with tetanus should be hospitalized and the wound should be cleaned immediately. 4____________________________.

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The main symptoms of the polomyelitis are: slight fever, general discomfort, headache, stiff neck, stiff back. 1_____________________________. The cause of poliomyelitis is a virus. 2_______________________________. 3____________________________. The child should be isolated from onset of the disease till fever subsides. 4______________________________.

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1_____________________________. The patient has pain in the abdomen, the middle of the abdomen to begin with, which later settles in the lower part on the right side.
2_____________________________. 3_________________________________.
It is important to consult the surgeon as soon as possible. 4________________________________.

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Pheumonia is an acute inflammation of the lung. It may be caused by bacteria or viruses. 1________________________________. It may also be a complication of measles or whooping cough. The child looks ill, has fever, cough, and very rapid breathing. 2_____________________________. A doctor should be consulted, and depending on the severity the child may be treated at home or admitted to a hospital. If his breathing is very rapid, he may need oxygen. 3______________________________. Pheumonia can be dangerous in a malnourished child, or in very young children, especially if it is due to an organism called staphylococcus. 4_________________________________. The child should be kept in bed, given plenty of water and a highly nourishing diet.