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Задание 1. Изучить новые слова.
contraction - cокращение
pump – (n) насос; (v) накачивать, нагнетать
beat (n) – толчок, удар, биение; (v) – бить(ся)б ударять(ся)
wave – волна, колебание
cycle – цикл
fluid – (n) жидкость; (adj) жидкий
plasma- плазма
corpuscle - частица
erythrocyte - эритроцит
leucocyte - лейкоцит
platelet – пластинка крови
thrombocyte - тромбоцит
hemoglobin – гемоглобин
volume – объем; емкость;
reservoir – депо крови
Задание 2. Прочтите текст
Physiology of the cardiovascular system
The contractions of the heart pump the blood through the arteries to all the parts of the body. In the adult the heart makes from 60 to72 beats per minute. Each wave of heart contraction and a period of rest following it compose a cardiac cycle. Blood is a fluid tissue with many various functions. Blood is composed of plasma and the corpuscular elements which are called red corpuscles or erythrocytes, white corpuscles or leucocytes and blood platelets or thrombocytes. Red cells contain red colouring substance or hemoglobin.
The total blood volume is divided into circulating and reservoir volumes. The average human blood volume is 8-10% of the body weight. When we listen to the heart we can hear two or sometimes three sounds.
Задание 3. Переведите словосочетания:
Сокращения сердца, нагнетать кровь, делать 60 ударов в минуту, волна сокращений, сердечный цикл, жидкая ткань, содержать гемоглобин, окрашивающее вещество, общий объём крови, циркулирующий объём, депо крови, средний объём.
II. Работа над грамматикой
Задание 1. Измените залог предложения:
1) The septum divides the heart chambers.
2) The atrioventricular valves separate the atria from the ventricles.
3) The vessels carrying blood to and from the tissues of the body compose the general system.
4) The veins passing to the liver form the portal system.
5) Students passed a test yesterday.
6) A doctor will examine the patient tomorrow.
Задание 2. Поставьте глагол в нужной форме пассивного залога
1. The oxygen (to take up) from the air in the lungs. 2. This process (to call) external respiration. 3. A doctor found that the patient’s airways (to block) by a foreign body. 4. The respiratory activity (to govern) by the amount of carbon dioxide which previously (to eliminate) from the organism. 5. The lung X-ray (to perform) next week. 6. The movement of the air (to cause) by an increase in the volume of the thoracic cavity. 7. I am sure that during the operation the outer layer (to raise) to provide the necessary space. 8. The thorax (to separate) from the abdomen by the diaphragm.
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