I. Translate the following words and word combinations:

система кровообращения; самая важная мышца; жизнь была бы невозможна; внутренний полый конусообразный орган; верхушка и основание сердца; вес сердца; две отдельные камеры; разделенный перегородкой; стенки левого предсердия; передняя часть; сосуды, несущие кровь к сердцу; вены, идущие к печени; сосуды, принимающие кровь из желудочков; в три раза толще

II. Complete the sentences:

1. The … is the system of blood circulation.

2. The … is the most important muscle of the body.

3. The cardiovascular system consists of the heart and the ….

4. Without the heart the … would not be possible.

5. The heart is placed within the ….

6. The heart is included in the ….

7. The … of the heart is against the third rib.

8. The … of the heart is about 220-300 gr.

9. The heart consists of two ….

10. They are divided by the ….

11. The upper chamber is called the ….

12. The lower chamber is called the ….

13. The atrioventricular … separate the atria from the ventricles.

III. Match the line in a with that in b:

A B

1 . Blood vessels carrying blood from 1. the portal circulation

the heart are …

2. Vessels carrying blood to the heart 2. the systemic circulation

are …

3. The veins passing to the liver form … 3. the veins

4. The vessels carrying blood to and 4. the arteries

from the lungs form …

5. The smallest and the thinnest vessels 5. the capillaries

are …

6. The vessels carrying blood to and from 6. the pulmonary circulation

the tissues of the body form …

IV. Express your agreement or disagreement:

1. The heart is not a muscle.

2. The heart is symmetrical.

3. The vessels include the veins, the arteries and the capillaries.

4. The human heart is an inner hollow organ placed within the abdomen.

5. The weight of the heart is less in the male than in the female.

6. The upper chamber of the heart is called the ventricle and the lower one is called

the atrium.

7. The right atrium is larger than the left one.

8. The right ventricle is in the posterior part of the heart.

9. The walls of the left ventricle are thicker than those of the right one.

10. Blood vessels carrying blood from the heart are veins.

11. The smallest vessels are called arteries.

12. The vessels carrying blood to and from the lungs are called the general

circulation.

V. Answer the questions:

1. What does the cardiovascular system consist of?

2. What vessels do you know?

3. What is the heart?

4. Where is the heart located?

5. What does the heart consist of?

6. What is the septum?

7. Where are the atria and the ventricles located?

8. What are atria?

9. What are ventricles?

10. What are capillaries?

11. What vessels compose the general system?

12. What vessels compose the pulmonary system?

13. What vessels compose the portal system?