Task 1. Learn the following words and word combinations.

Task 2. Find the following words and word- combinations in the text, reproduce the context they are used in and translate it into Russian.

1. the structure of the human body

2. chief parts of the body

3. the skeleton is composed of

4. firm but flexible support

5. the spinal column and the chest

6. the principal organs

7. 32 or 34 vertebrae

8. is connected with the chest by

9. the parts of the lower extremity are

10. are connected by the cartilages and ligaments

11. each muscle has… supply

12. main systems of the body

13. are based on metabolism

14. the coordinated changes

15. is accompanied by

Task 3.Answer the questions.

1. What are the chief parts of the human body?

2. What is the skeleton composed of?

3. What parts of the skull do you know?

4. What bones form the trunk?

5. What organs does the upper cavity contain?

6. What are the principal organs of the lower cavity?

7. How many vertebrae are there in the spine?

8. How is the upper extremity connected with the chest?

9. What are the pats of the upper and the lower extremities?

10. What is the function of the cartilages and ligaments?

11. What is the skeleton covered with?

12. What are the main systems of the human body?

13. How can the regulation between the systems be demonstrated?

Task 4. Match the English sentences to their Russian equivalents.