Science -Second Term -

Science -Second Term -
Human digestive system
Complete the following sentences :
1. A living organism body made up of a set of ……………….
2. The function of the digestive system is ……………. the food .
3. Digestion is the changing of food from ……………… into …………….
4. The digestive system of the human body is divided into
1- ……………………………………………………….
2- ……………………………………………………….
5. The Digestive canal consist of …………….. , …………… , ……… , ………… ,
……… and ………..
6. The digestive canal supplementaries (associates ) are ……… , ……. and …………..
7. The mouth is a ……………. where ……….. , ……. and …………. existed .
8. The teeth number in adult are ………………, each Jaw has ……………
9. The teeth are divided into (4) …………….. and (2 ) …………… and (10 ) ………
10. The function of canines is …………………. the food .
11. Molars ……………. the food .
12. The function of the tongue is ………. the food with ……………..
13. The number of salivary glands is ………….. pairs .
14. The salivary glands secrete a liquid known as …………….. which contains
………….. called enzymes .
Saliva digests …………… to ……………………. Oesophagus .
15. Pharynx is a …………………..cavity leads to esophagus and trachea .
16. Oesophagus is a ……….. tube that the food travels through from mouth to ………..
17. Stomach is a ………………sac.
18. Stomach ……………. food by the digestive Juices .
19. In the stomach …………………digestion of protein takes place by gastric juice .
20. The length of the small intestine is ………… & starts with apart known as ……….
21. Duodenum is followed by ……………….
22. Intestinal Juice is poured in the …………………..
23. In the small intestine digestion is …………………..
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24. Digested food is …………….. through the small intestine walls & reaches ……….
25. Large intestine starts from the end of the ……………….. & ends with …………..
26. Water is absorbed in …………………………….
27. Wastes are rejected outside the body through the …………………..
28. How can you keep your digestive system healthy .
1- ……………………….. 2- ……………………..
3- ………………………. 4- ……………………..
Put ( √ ) or ( × ) and correct the wrong :
1. A living organism body consists of a set of systems . [ ]
2. The function of the digestive system is the digestion of food . [ ]
3. Digestion of food is changing food to complex substances . [ ]
4. The digestive system of the human body is divided into stomach and mouth . [ ]
5. The digestive canal consists of mouth , pharynx , esophagus , stomach , small
intestine and large intestine . [ ]
6. The digestive canal supplementaries (associates ) are liver , and pancreas only . ]
7. Teeth number in adult is 32 . [ ]
8. The function of the tongue is cutting food . [ ]
9. The salivary glands secrete a liquid known as saliva . [ ]
10. Pharynx is a common tube . [ ]
11. In the stomach incomplete digestion of protein takes place . [ ]
12. In the small intestine the digestion process is completed . [ ]
13. The digested food is absorbed through mouth . [ ]
14. Water is absorbed in the large intestine . [ ]
15. You mustn't chew food well . [ ]
16. You must eat much food contains fats . [ ]
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* What is the function of :
1. Bile Juice .
………………………………………….…………………………………….
………………………………………………..……………………………….
2. Stomach
………………………………………….…………………………………….
………………………………………………..……………………………….
3. Salivary glands
………………………………………….…………………………………….
………………………………………………..……………………………….
4. Canines
………………………………………….…………………………………….
………………………………………………..……………………………….
5. Molars
………………………………………….…………………………………….
………………………………………………..……………………………….
6. Liver
………………………………………….…………………………………….
………………………………………………..……………………………….
7. Pancreas
………………………………………….…………………………………….
………………………………………………..………………………………

thank you

very good