| Text C. Human body structure strikes imagination
( поражать воображение) with facts and figures
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A human being is quite a unique creature.
1. The length of all blood vessels in a human body reaches about 100,000 kilometers. Tiniest (мельчайшие) vessels – capillaries – are not more than four micrometers in diameter. The blood amount in a human organism is not constant, although it does not exceed (превосходить) seven or ten liters.
2. A human being stops growing as he or she turns 24 years of age. The growth of a young individual slows down a little at night time, but returns to the normal speed in the daytime.
3. The brain of an adult male weighs 1375 grams, whereas the female brain weighs 1275 grams. The brain weight does not affect intellectual capacities of a person. Only four percent of brain cells work; the rest of them are kept in reserve. About a thousand of neurons die every hour. The speed of a nerve impulse on the reflex arch can reach 120 meters a second.
4. Mixed food usually stays in the stomach of an adult person for about six hours. The stomach usually produces about 1.5 liters of digestive juices on daily basis.
5. An eye is capable of distinguishing 130-250 pure color tones and up to ten million of mixed shades. An eye cannot perceive (сохранять) a motionless image: eyes move even when an individual looks at one and the same spot (место).
6. The total square of the respiratory surface of two adult lungs is more than 90 square meters.
Ex. 26. Translate text D at sight.
Text D. The talk between the parts of the human body.
Once there was a talk between the parts of the Human Body.
- We, - said the Eyes are the main organs. With us man can see.
- Nothing of the kind! We are more important! – cried out the Ears. With us man can listen to music, he can hear speech.
- How can you think so! – exclaimed the Hands.- What can he do without us? We hold different things, we carry his bag. Man can do everything with us.
- You are all wrong – said the Legs. – We are the main organ. We walk and dance, we run and jump. Can you all do that?
There was a silence after which the Heart said:
- There are blind (слепой) men who can’t see; there are deaf (глухой) men who can’t hear and even men who have no hands to hold things with.
But there is no man without Heart.
Home work
Ex. 27. Explain the medical terms. Match the word combinations in B with the medical terms in A.
A. Perirenal,, intracellular, bisexual, intravenous, subcostal, subcutaneous, intermuscular, retropharyngeal
B. Below the ribs, inside the cell, between the muscles, behind the pharynx, under the skin, inside the veins, around the kidney, two sexes.
Ex. 28. Analyze the functions of It. Translate the sentences.
- It is the correct first aid that saves many lives.
- Water is very important for all living things. The maximum time
that a person can live without it is about 7-10 days.
- It is difficult to swallow when you have a sore throat.
- It is known that pain in gastric ulcer occurs immediately or soon
after meals.
- It was professor Filatov who began to transplant corneas from corpse.
- It is necessary that the child always sleep along.
- It is important to understand the growing organism must sleep enough for
maintaining health.
Ex. 29. Translate the sentences with a dictionary. Pay attention to Noun +Noun Combinations.
1. The boys have first degree burns. They are in the two bed ward.
2. She suffers from high blood pressure.
3. The patient has growth hormone deficiency.
4. After heart transplantation the patient felt better.
5. Little children have a low defense reaction.
6. Medical students must know how to give the first aid treatment.
7. His knife wound was very severe.
Ex. 30. a) Read and translate text C again.
4.
Class work.
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