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Exercise 8. Look through the text again and find the sentences containing the Past Perfect Tense, explain its use in those sentences.

Exercise 9. Answer the questions:

1. Who was I.M. Sechenov?

2. How many scientific works did he write?

3. What were some of his research works connected with?

4. What did I.M. Sechenov find out about the blood gasses?

5. What conclusion about hemoglobin did he come to?

6. What is the accomplishment of the respiratory process is due to?

7. What did I.M. Sechenov prove, when he had completed his investigations of the process of absorbtion of carbone dioxide by the solutions of salts?

8. What is the transfer of carbon dioxide from the blood into the lungs due to?

Exercise 10. Translate the word combinations into English:

Завершення процесу дихання, дослідження газів крові, виділяти гази крові, поєднуватися з еритроцитами, прийти до висновку, на підставі його спостережень, обмін кисню та вуглекислого газу, працювати над проблемою, оцінювати роль гемоглобіну, поглинання вуглекислого газу розчинами солі, розчинятися у плазмі, переміщення вуглекислого газу з крові до легень, закон дифузії газу із рідини у повітря, залишок вуглекислого газу, досліджувати явище.

Exercise 11. Put questions to the underlined words:

1.106 scientific works were written by him.

2.Some of his research works were connected with the investigation of the blood gases and their role in the respiratory process.

3.I. M. Sechenov isolated the blood gases.

4.Physiologists, who had worked on this problem before Sechenov, could not estimate the role of hemoglobin in the act of respiration.

5.I. M. Sechenov investigated the process of absorption of carbon dioxide by the solutions of salts.

6.He proved that only 2/3 of carbon dioxide were dissolved (растворяются) in plasma.

7.The rest of carbon dioxide was combined with red blood cells.

8.When Sechenov had investigated this phenomenon, he was able to answer the question why oxygen passed into the blood from atmospheric gases

Exercise 12. Put the verbs in brackets into the correct form (Past Simple or Past Perfect):

1.The patient (to be) under medical care before the surgeon (to begin) the operation.

2. We (to complete) our observations on the changes in the blood erythrocytes by last Wednesday.

3. Nobody (to investigate) this phenomenon before he (to do) it.

4. He (not to see) them in the classroom, because they already (to leave).

5. It (to be) clear, that something (to change).

6. On my way to the university I (to remember) that I (to leave) my report at home.

7.Where you (to work) before you (to enter) the university?

8. All my friends (to be) glad to hear that I (to pass) all the examinations successfully.

Exercise 13. Translate the sentences into English:

1. Він сказав, що вже попередив її.

2. До кінця червня вони вже склали усі іспити.

3. Коли вона повернулася , вони вже пішли .

4. Учора я зустрів мого друга, якого не бачив вже 3 роки.

5. Я не знав, що з ними трапилось.

6. Я був впевнений, що він підписав контракт.

7.Вона не знала, що він не приймає ліки для зниження тиску вже 3 місяці.

8. Ніхто не знав, що вона захворіла.

Exercise 14. Explaine what these terms mean:

erythrocytes blood gases hemoglobin

Exercise 15. Make sure you remember the active vocabulary of this lesson:

dissolve, solution, transfer, law , fluid, salt, absorption, carbon dioxide, exchange, oxygen, accomplish, hemoglobin, erythrocyte, combine, isolate, determine, findings, physiology, psychology


1. I. M. Sechenov found out that most of the blood gases were combined with …

a) leucocytes

b) erythrocytes

c) plasma

d) nothing

2. I.M.Sechenov (1829-1905) was the founder of Russian …

a) biochemistry and physiology

b) oncology and neurology

c) physiology and scientific psychology

d) psychology and physics

3. I. M. Sechenov came to the conclusion that … was that substance of the blood which accomplished the exchange of oxygen and carbon dioxide in the respiratory process.

a) hemoglobin

b) plasma

c) water

d) alcohol

4. … of the respiratory process is due to hemoglobin.

a) the beginning

b) the course

c) the failure

d) the accomplishment

5. The transfer of carbon dioxide from the blood into the lungs was due to the law of ….

a) gravitation

b) diffusion of gas from tissues into the blood

c) diffusion of gas from fluid into the air

d) diffusion of gas from the lungs into the blood

6. I. M. Sechenov investigated the process of absorption of … by the solutions of salts.

a) carbon dioxide

b) oxygen

c) hemoglobin

d) erythrocytes

7. He proved that only … of carbon dioxide were dissolved in plasma.

a) ½

b) ¾

c) 5/6

d) 2/3

8. … scientific works were written by I.M. Sechenov.

a) 16

b) 166

c) 106

d) 1060

9. In his works I.M. Sechenov included the findings …

a) which other scientists had observed.

b) which seemed believable to him.

c) which he was going to observe later.

d) which he had observed and determined before.

10. Physiologists of many countries who had worked on this problem before Sechenov could not …

a) understand the role of blood gases in the respiratory process

b) determine what hemoglobin was

c) isolate blood gases

d) estimate the role of hemoglobin in the act of respiration.



Date: 2015-01-11; view: 687

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