А. М. Maslova Z. I. Winestein L. S. Plebeyskaya Essential English for Medical Students Second Edition, Revised and Enlarged

Прочтите и запомните интересные факты:

Do you know that
1. each erythrocyte lives 120-130 days? 2. each leucocyte lives 4-7 days? 3. every day 200,000,000 erythrocytes are bom and the same number dies?
CLASS ASSIGNMENTS
ХП. Translate the following indefinite personal sentences:
1. It is known that blood becomes oxygenated in the lungs. 2. They say that patient Smirnov’s health will be restored soon. 3. One knows that pulse rate becomes rapid on physical exertion. 4. It is estimated that his body weight considerably decreased during the prolonged illness.

13. 
    Answer the following questions:
    

1. How many days does each erythrocyte live? 2. How many days does each leucocyte live? 3. How many erythrocytes are born and die every day?

14. 
    Read and translate the following sentences:
    

1. When a muscle fiber contracts so that its length does not change, one of the discs becomes shorter and the other, longer. 2. The pressure in the cranial cavity is sometimes increased as a result of the increase in arterial pressure. 3. In the man the corpuscles may compose from 39 to 50 per cent of the blood volume. 4. Can life exist without oxygen? 5. A cardiac cycle is composed of the wave of contraction and a period of rest. 6. In the human body sex differences exist in the inner organs and their functions.

15.