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III.1. Answer the questions:

  1. What is an ear? Does it have any other meanings?

  2. What does it act for?

  3. Where are the ears located?

  4. What is audition? How does it work?

  5. What parts does an ear consist of?

  6. Which part of the ear really “hears”?

  7. Which parts of an ear are vital for hearing?

  8. How does the brain help hearing?

2. Say whether the following statements are true or false:

  1. Audition is the scientific name for the sense of balance.

  2. The ear is the organ that detects sound. It not only acts as a receiver for sound, but plays a major role in the sense of balance and body position.

  3. The ear is part of the vestibular system

  4. Vertebrates have a pair of ears, placed symmetrically on opposite sides of the head.

  5. The ear is the vertebrate sense organ that recognizes sound, although it is the brain and central nervous system that "hears".

  6. The outer part of the ear collects sound.

  7. The hollow channels of the inner ear are filled with liquid.

  8. The auditory part of the cerebral cortex is in the temporal lobe.

  9. The part of the ear that is dedicated to sensing balance and position sends impulses through the eighth cranial nerve.

  10. The outer ear is the most external portion of the ear.

  11. The outer ear helps get sound, but the ear canal is not very important.

3. Continue the sentences:

  1. Audition is….

  2. The ear is….

  3. It not only …

  4. The ear is part …

  5. Vertebrates have …

  6. Although the ear is

  7. The outer part of the ear

  8. The hollow channels of the inner ear

  9. The nerve impulses

  10. This auditory part of the cerebral cortex is….

  11. The part of the ear that is dedicated to …

  12. The outer ear is the most external portion of the ear.

  13. The outer ear …

  14. The framework of the auricle consists of…

  15. Human beings localize…

4. Fill in the blanks with the words from the text:

The …is the organ that detects sound. It not only acts as a … for sound, but plays a major role in the … of balance and body position. The … is part of the auditory system. The word "ear" may be used correctly to describe the entire … or just the visible portion. Vertebrates have a pair of… , placed symmetrically on opposite sides of the head. This arrangement aids in the ability to localize sound… sources. Audition is the scientific name for the … of sound. Sound is a form of energy that moves through air, water, and other matter, in waves of pressure. Sound is the means of auditory communication like spoken language. Although the … is the vertebrate sense organ that recognizes sound, it is the … and central nervous system that "hears". … … are perceived by the brain through the firing of nerve cells in the … … of the central nervous system. The … changes sound pressure waves from the outside world into a signal of … impulses sent to the brain. The outer part of the … collects sound. That … … is amplified through the middle portion of the … and, in land animals, passed from the medium of air into a liquid…. The inner … is hollow, embedded in the temporal … , the densest bone of the body. The … are mechanoreceptors that release a chemical neurotransmitter when stimulated. … waves moving through fluid push the filaments; if the filaments bend over enough it causes the … to fire. In this way sound waves are transformed into … impulses. The nerve ….travel from the left and right … through the eighth cranial … to both sides of the brain stem and up to the portion of the cerebral cortex dedicated to… . This auditory part of the cerebral cortex is in the … lobe.

5. Give synonyms from the text:

- one of the two parts at the sides of the head that you hear with;

- the smallest part of a living structure that can operate as an independent structure;

- the part of the ear that is on the outside of the head;

- a part of the brain that is responsible for hearing, memory, and speech;

- the nerve in the scull.

8. Make up one sentence with each word from ex I (3) and II (1).

9. Make up five types of questions on the text.

10. Render the text in English:

Ухо — сенсорный орган у животных и человека служащий для восприятия звука. Ухо человека воспринимает звуковые волны длиной примерно 16 — 20 000 Гц (колебаний в секунду). Анатомическое ухо делится на: наружное ухо, систему среднего уха и внутреннее ухо — лабиринт, в котором различают улитку, преддверие и полукружные каналы. Улитка, наружное и среднее ухо представляют собой орган слуха, в состав которого входит не только рецепторный аппарат, но и сложная звукопроводящая система, предназначенная для доставки звуковых колебаний к рецептору — в неё входят барабанная перепонка и три миниатюрных косточки, «молоточек», «наковальня» и «стремя». Полость внутреннего уха связана с носоглоткой посредством Евстахиевой трубы, через которую выравнивается среднее давление воздуха внутри и снаружи от барабанной перепонки. При изменении внешнего давления иногда «закладывает» уши.

11. Make the written translation of the text.

12. Make a report about a) Human outer ear and culture;

b) Damage to the human ear

c) Outer ear trauma

d) Middle ear trauma

e) Inner ear trauma

f) Non-vertebrate hearing organs

The causes of hearing loss

I . 1. The text you are going to read is dedicated to the causes of hearing loss. If you were to deal with that topic, what would you speak about?

2. Pay attention to the following terms used in the text:

to expose – выставлять, подвергать действию ч.-л.;

approximately – примерно, приблизительно;

permanent – постоянный, не изменяющийся на протяжении длительного времени;

noise-induced hearing loss – потеря слуха, вызванная длительным воздействием громких звуков;

to reverse – повернуть назад, обратить процесс;

ear plugs and muffs – индивидуальные приспособления для снижения уровня шума;

the hair cells in the inner ear – волоски внутреннего уха;

ear ringing – звон в ушах;

subtle high-pitched sounds – резкие высокие звуки;

acoustic trauma – травма вследствие воздействия громкого звука или шума;

diminished hearing – ослабленный, сниженный слух;

rustle of leaves - шелест листьев;

exchange rate – с переменной частотой;

Industrial solvents - промышленные растворители;

lead – сталь;

ear canal disease – инфекции или заболевание ушного канала;

to mitigate – нивелировать, делать незаметным;

the chinchilla – «улитка»;

to bind – вязать, связывать, завязывать.

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