10. Use the necessary form of the participle of the verbs given in brackets:

1. The lung has the apex (to extend) some centimetres above the level of the first rib.

2. The two lungs (to separate) by the mediastinum are included in the thoracic cavity.

3. The heart chambers (to divide) by the septum form two separate parts. 4. The heart (to contract) and (to dilate) all the time makes regular beats.

1. extending; 2. separated; 3. divided; 4. contracting; dilating HI. Answer the following questions:

1. What is the shape of the lungs? 2rWhat is the vital capacity of the lungs? 3. What colour are the lungs in adults? 4. Why is the right lung heavier than the left one? 5. Where does the apex of the lung extend? 6. Where are the posterior borders of the lungs located?

7. Why may a man become pale? 8. Whom do we call an infant? 9. What mark may you get if your answers are proper? 10. What do your classes at the Institute vary from your school lessons?

Lesson 15. Lab. Work 19.

I. Translate the following and check up your answers:

A. 1. откройте рот; 2. нижняя часть желудка; 3. обложенный язык; 4. тонкий кишечник; 5. по артериям; 6. измерять температуру; 7. пищеварительный тракт; 8. твердое нёбо; 9. слепая кишка; 10. в средней части пищевода

1. open your mouth; 2. the lower portion of the stomach; 3. a coated tongue; 4. the small intestine; 5. through the arteries; 6. to measure (to take) the temperature; 7. the alimentary tract; 8. the hard palate; 9. the ceacum; 10. in the middle portion of the esophagus

Б. 1. во рту 32 зуба; 2. верхняя часть желудка; 3. покажите мне ваш язык;

4. толстый кишечник; 5. через пищевод; 6. ниже ободочной кишки; 7. Болезни поджелудочной железы; 8. слюнные железы; 9. измерять длину; 10. Мягкая пища

1. there are 32 teeth in the mouth; 2. the upper portion of the stomach; 3. show me your tongue: 4. the large intestine; 5i through the esophagus; 6. below the colon; 7. the diseases of the pancreas; 8. salivary glands; 9. to measure the length; 10. soft food

II. Say instead of what words the substitutes "one", "ones", "that", "those" are used:

1. The right lung is heavier than the left one. 2. As a rule the bones of the lower extremities are longer than those of the upper ones. 3. The histologic structure of the hard palate is not the same as that of the soft one.

1. lung; 2. the bones; extremities; 3. the structure; palate

HI. Answer the following questions:

1. Where is the tongue located? 2. What cavity is the brain located in? 3. Is the liver located in the right upper part of the abdominal cavity under or above the diaphragm? 4. What organ is located in the lower and central portions of the abdominal and pelvic cavities? 5. Is the stomach located in the abdominal cavity under or above the diaphragm? 6. When was the discovery of the atomic energy made? 7. What is the exact number of cervical vertebrae in the human body? 8. What work did the great Russian scientist Pirogov publish in 1851-1854? 9. Does Anatomy or Physiology describe the functions of the organs of the human body? 10. In case of what disease is the tongue coated?

Lesson 16. Lab. Work 20.