Прочитайте текст и заполните пропуски подходящими по смыслу словами. Bleeding can lead to a severe 1...: ответ на тест 911952 - Английский язык

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Bleeding can lead to a severe loss of blood. The best way to stop bleeding is by direct pressure with a clean cloth. If the bleeding is from the arm or the leg, the limb can be kept in a raised position. If the bleeding is from a nose, put a cold compress on the nose. It will stop the blood. Ice placed on the nose also stops bleeding. In severe case doctors make blood transfusion.

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Bleeding can lead to a severe loss of blood. The best way to stop bleeding is by direct pressure with a clean cloth. If the bleeding is from the arm or the leg, the limb can be kept in a raised position. If the bleeding is from a nose, put a cold compress on the nose. It will stop the blood. Ice placed on the nose also stops bleeding. In severe case doctors make blood transfusion.

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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 whole 1_______ of a nurse is devoted to people. She is responsible for her patient. Every nurse must have enough 2_______ of her work. She must help her 3_______ at any hour of the day or night. That’s why you should know how to help a person in 4_______ situations.

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Headache is a symptom of many 1_______. It may occur with common cold, fever, eye strain or hunger. It may 2_______ mumps, malaria, measles and many other infections. But if severe 3_______ persists you should consult a doctor. Frequent and 4_______ headache may sometimes be a symptom of brain tumour.

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Vitamins are special substances that the body needs, along with proteins, fats, carbohydrates and minerals. Vitamin A is needed for healthy eyes and is found in fish-liver 1_______, egg yolk, butter, green vegetables and fruit.
Vitamin D is needed for healthy bones and for protection against rickets. It is found in very small 2________ in egg, butter and fish. We get most of our vitamin D from the sun.
Vitamin C 3_______ against scurvy and is found in oranges, lemons, tomatoes and green vegetables.
Vitamin B is present in milk, eggs, liver. It is needed to strengthen our 4_______ system.