Exercise 3. Translate tbe following sentences. Note that in English scientific articles sentences begin with it + verb in passive voice and are translated: it is said - говорять, що; it is thought - думають, що; it is known — відомо, що.
1. It is observed that effective measures are needed by doctors to treat viral diseases. 2. It is seen that unknown substances are released by an infected cell. 3. It is stated that immunoglobulin proteins are produced by the body. 4. It is noted that the body produces special immunoglobulins. 5. It is established that the use of preventive vaccines reduced the incidence of infectious disease. 6. It is known that doctors need effective preventive measures to eliminate virus diseases. 7. It is reported that virologists study the mode of replication of the influenza virus. 8. It is believed that a review of the literature helped the author's analysis of the data.
Exercise 5. Choose the correct answer to the question.
What are the two main functions of the digestive system?
a) The organs of the digestive system break the taken food into the smallest particles and supply body cells with nutrients to provide energy.
b)They are inhalation and exhalation.
c)They are digestion (the process of braking food into small particles to pass them through the walls of cells) and absorption (the transferring of food into the circulation).
Exercise 8. Say what organ is spoken about.
a) This organ is the largest gland in the human body. It is in the upper part of the abdominal cavity under the diaphragm in die right part of the abdomen. Its upper surface is convex. This oigan consists of small lobules connected together by the connective tissue, different vessels and nerves.
b) This organ is pyriform(грушевидний) in shape. It is a dilated portion of the alimentary canal. It is in the upper part of the abdomen under the diaphragm. The liver is above this organ, and the colon is below it. The pancreas is behind this organ.