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XI. In the text find sentences with the following words, reproduce them

to process

to lubricate

to digest

to convey

to consist of

to churn

to break up

to pass

XII. Answer the questions

  1. What is the digestive system?

  2. What is the function of the digestive system?

  3. Why are complex sugars and starch, fats and proteins digested to simpler substances?

  4. What parts does the digestive system consist of?

  5. What glands help to digest food?

  6. What is the function of the glands in the mouth?

  7. How do the teeth break up food?

  8. What conveys food to the throat?

  9. What is the function of the stomach?

  10. What does gastric juice include?

  11. When does the digested food pass from the stomach to the small intestine?

XIII. Complete the sentences

The digestive system consists of ...

The teeth break up food by ...

Glands in the mouth ...

Saliva contains ...

The tongue ...

Pharynx muscles ...

The esophagus is a ...

The stomach ...

Gastric juice includes ...

Acid medium is needed for ...

The partly digested food passes from ... to ...

XIV. In the text find sentences which deal with Food is converted into simpler substances.

  1. Food in the mouth.

  2. Food in the stomach.

XV. Speak on the following topics:

    1. Digestive system: to process, to convert, simpler substances, nourishment, starch and complex sugars, to digest to, fats, proteins, to consist of, to pass through; the alimentary canal, secretions from.

    2. What happens to food in the mouth: to break up, to chop, to grind, to lubricate, to moisten, to contain, to convey, to push down.

    3. What happens to food in the stomach: to store, to digest, to hold, to churn, to mix, gastric juice, to include, to provide, to break down, to pass.

Digestive system part II

I. Practise the pronunciation and guess the meaning of the words

bacteria

[bæk´tıǝrıǝ]

circular

[sə:kju:lə]

final

[´fainəl]

material

[mə´tiəriəl]

liquid

[likwid]

peristalsis

[,perıs´tælsıs]

sphincter

[´sfıŋktǝ]

II. Memorize the vocabulary

to absorb

[ǝb´sƆ:b]

абсорбироваться

area

[´ɛǝrıǝ]

площадь, область

bile

[baıl]

желчь

colitis

[kǝ´laıtıs]

колит

disorder

[dis´Ɔ:də]

расстройство, болезнь

diverticulitis

[dıvetıkju´laıtıs]

дивертикулит

diverticulosis

[dıvetıkju´lousıs]

дивертикулез

duct

[dʌkt]

проток

duodenum

[djuǝ´dı:nǝm]

двенадцатиперстная кишка

enteritis

[entǝ´raitis]

энтерит

to excrete

[eks´krı:t]

выделять

exit

[´eksıt]

выход

fairly

[´fɛǝli]

достаточно, довольно

feces

[´fi:si:z]

экскременты

plant fiber

[pla:nt´faibǝ]

растительное волокно

gall bladder

[´gƆ:l blædǝ]

желчный пузырь

gall stones

[´gƆ:l stounz]

желчные камни

(камни в печени)

narrow

[nærou]

узкий

projection

[prə´dƷekʃn]

выступ

to remove

[ri´mu:v]

удалять

rectum

[´rektǝm]

прямая кишка

to stagnate

[stǝ´gneit]

застаиваться

surgical

[´sǝ:dʒikǝl]

хирургический

surface

[´sǝ:fis]

поверхность

tightly

[ˊtaitli]

плотно

ulcer

[ˊʌlsǝ]

язва

vessel

[vesl]

сосуд

villi

[´vılı]

ворсинки

waste

[weist]

ненужный, отработанный, отбросы