V. Remember the following prepositional phrases

throughout the body to carry supplies of smth to smth to exchange smth for smth in exchange for to flow by to be made up of to come from to approach the cells to be involved in smth

по всему организму нести запасы … к … обмениваться на в обмен на течь благодаря состоять из обуславливать приближаться к клеткам вовлекаться в …

VI. Read and translate the following word combinations from the text

1. The blood is kept flowing round the body by the pumping action of the heart.

2. … their color comes from the presence of hemoglobin.

3. Red corpuscles charged with oxygen approach body cells.

4. two-way transportation of materials.

5. to be involved in blood clotting.

VII. Read and translate the text , part I language work

I. Grammar exercises

1. Is the first sentence simple or complex?

2. What does “it” mean in the second sentence?

3. Read these complex sentences and define the type of the subordinate clauses:

When red corpuscles …

Plasma also contains …

4. Read the verbs in the Present Indefinite, 3^rd person singular.

5. Give plural for “supply”.

II. Give English equivalents for the following words and word combinations

Сердце, кровеносные сосуды, основные запасы, плазма, клетки крови, гормоны, белки, питательные вещества и продукты распада; растворённый, многочисленный, дискообразный; включать в себя, циркулировать, распространять, в обмен на, обменивать пищу и топливо на потенциально вредные продукты распада, быть обусловленным, соединяться с, приближаться к, доставлять, выносить в кровь для выделения через, бороться с инфекцией, принимать участие в свёртывании крови.

III. Answer the questions

What does the cardiovascular system comprise?

What is its function?

How is blood kept flowing round the body?

What is blood made up of?

What does plasma contain?

What happens between body cells and plasma?

What happens between red blood and body cells?

What is the function of platelets?

What is the function of white blood cells?

IV. Complete the following sentences

The cardiovascular system comprising both ___ and ___ circulates ___.

It carries ___ to ___ and exchanges them for ___.

The circulation consists of miles of ___ containing about ___ of blood.

Blood is made up of ___ containing ___, ___, ___, ___ and other substances.

Most numerous of these cells are ___.

Their red colour comes from ___, which combines with ___.

When red corpuscles ___ with ___ approach ___, the ___ is delivered in exchange for ___.

Other two-way transportation ___ takes place between the ___ and ___, and all unwanted substances are carried away in ___ for ___ by ___, ___ and ___.

Plasma also contains ___, which help ___, and platelets, which ___.

V. Translate into English

Сердечно – сосудистая система состоит из сердца и кровеносных сосудов, которые переносят кровь по всему телу.

Кровь состоит из бледно-жёлтой жидкости (плазмы), содержащей растворённые питательные вещества и продукты распада, и клеток крови, гормонов и других веществ.

Эритроциты участвуют в процессе переноса кислорода из лёгких в ткани и переносят углекислый газ из тканей в лёгкие.

VI. Speak on the following topics

The CVS: to comprise, to circulate, to carry, to exchange.

Blood: plasma, dissolved, RBC, transportation of materials, WBC, platelets.

Part II: Arteries and veins

I. Practice the pronunciation and stresses

1. artery	[`a:tərı]
2. arteriole	[a:`tıərıəl]
3. capillary	[kə`pılərı]
4. aorta	[eı`ɔ:tə]
5. venae cavae	[`vi:nə `ka:və]
6. vein	[`veın]
7. venule	[`venju:l]