ËÅÊÖÈß ¹ 42. Liver
Liver, the pancreas and the kidneys are the organs primarily engaged in the intermediary metabolism of the materials resorbed from the gasro - intestinal tract and in the excretion of metabolic waste products. Of these 3 organs the liver performs the most diverse func tions. It acts as the receiving depot and distributing center for the majority of the products of intestinal digestion and plays a major role in the intermediary metabolism of carbohydrates, fats, proteins and purines.
It controls the concentration of cholesterol esters in the blood and utilizes the sterol in the formation of bile acid. The liver takes in the regulation of the blood volume and in water metabolism and distribution. Its secretion, the bile, is necessary for fat diges tion.
The liver is a site for the formation of the proteins of the blood plasma, especially for fibrinogen, and also forms heparin, also forms heparin, carbohydrate which prevents the clotting of the blood. It has important detoxicating functions and guards the organism against toxins of in testinal origin as well as other harmful substances. The liver in its detoxicating functions and manifold metabolic activities may well be ñînsidered the most important gland of the body.
New words
liver - ïå÷åíü
pancreas - ïîäæåëóäî÷íàÿ æåëåçà
kidneys - ïî÷êè
organ - îðãàí
primarily - ïðåæäå âñåãî
engaged - âîâëå÷åííûé
intermediary - ïðîìåæóòî÷íûé
metabolism - ìåòàáîëèçì
gasro-intestinal tract - æåëóäî÷íî-êèøå÷íûé òðàêò
excretion - âûäåëåíèå
waste - îòõîäû
diverse - ðàçíîîáðàçíûé
func tions - ôóíêöèè depot - îòëîæåíèå
digestion - ïåðåâàðèâàíèå
major role - ãëàâíàÿ ðîëü
cholesterol - õîëåñòåðèí
esters - æèðû
sterol - ñòåðèí
bile acid - æåë÷íàÿ êèñëîòà
regulation - ðåãóëèðîâàíèå
fat diges tion - ïåðåâàðèâàíèå æèðîâ
blood plasma - ïëàçìà êðîâè
fibrinogen - ôèáðèíîãåí
clotting - òðîìá
origin - ïðîèñõîæäåíèå
heparin - ãåïàòèò
detoxicating functions - ôóíêöèè äåòîêñèêàöèè
toxins - òîêñèíû
manifold - ðàçíîîáðàçíûé
gland of the body - æåëåçà òåëà
Ñïðÿæåíèå ãëàãîëà to write â Past Perfect Tense Òàáëèöà 15

Ïîñòàâüòå ãëàãîëû â Past Simple è Past Perfect.
1. When I (to come) home, mother already (to cook) dinner.
2. When father (to return) from work, we already (to do) our homework.
3. When the teacher (to enter) the classroom, the pupils already (to open) their books.
4. Kate (to give) me the book which she (to buy) the day before.
5. Nick (to show) the teacher the picture which he (to draw).
6. The boy (to give) the goats the grass which he (to bring) from the field.
7. Mother (to see) that Nick (not to wash) his hands.
8. The teacher (to understand) that Marina (not to do) her homework.
9. I (to know) that my friend (not yet to come).
10. Tom (to return) from the cinema at five o'clock.
11. Tom (to t return) from the cinema by five o'clock.
12. I (to finish) my homework at seven o'clock.
13. I (to finish) my homework by seven o'clock.
14. He (to think) that he (to lose) the money.
15. Ann (to tell) me that she (to see) an interesting film.
16. When I (to wake) up yesterday, father already (to go) to work.
17. Nick (to think) that his father (not yet to come) home.
18. Mary (to tell) us that she (to cook) a good dinner.
19. Yesterday I (to find) the book which I (to lose) in summer.
20. When we (to come) to the station, the train already (to leave).
Answer the questions.
1. Which organs are primarily engaged in the intermediary metabolism?
2. Which of 3 organs perform the most diverse functions?
3. How does it act?
4. Which role does liver play?
5. What does it control?
6. Where the cholesterol esters are concentrated?
7. What the bile is necessary for?
8. What does liver utilize?
9. What prevents the clotting of the blood?
10. What is the most important gland of the body?
Make the sentences of your own using the new words (10 sentences).
Find the Present Simple Tense in the text. Explain why it is used in such a way?
Find one word, which is a little bit different in meaning from others (íàéäèòå îäíî ñëîâî, êîòîðîå íåìíîãî îòëè÷àåòñÿ îò äðóãèõ ïî ñìûñëó):
1) a) liver; b) jam; c) kidney;
2) a) pancreas; b)organ; c) winter;
3) a) summer; b) blood; c) vein;
4) a) cholesterol; b) ice; c) bile;
5) a) clotting; b) snow; c) vessel.
Àâòîð: Åëåíà Áåëèêîâà
<< Íàçàä: The act of swallowing
>> Âïåðåä: The urinary system
Ðåêîìåíäóåì èíòåðåñíûå ñòàòüè ðàçäåëà Êîíñïåêòû ëåêöèé, øïàðãàëêè:
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Ñìîòðèòå äðóãèå ñòàòüè ðàçäåëà Êîíñïåêòû ëåêöèé, øïàðãàëêè.
×èòàéòå è ïèøèòå ïîëåçíûå êîììåíòàðèè ê ýòîé ñòàòüå.
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