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(1) Complete the following:

1- From the systems present in the human body ……………………. ,

…………… and ……………………. system.

2- The system that digests and absorbs food is …………………….

system.

3- The circulatory system distributes ……………………. and

……………………. all over the body cells.

4- We get energy from ……………………. system.

5- The system that is responsible for reproduction and having a

new individuals is the ……………………. system.

6- The ……………………. system helps us to get rid of harmful

wastes.

7- The digestion process is changing the food from …………………….

substances into ……………………. substances.

8- The digestive system consists of two main parts …………………….

and …………………….

9- Digestion canal starts with ……………………. and ends with

……………………

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10- From the digestive canal supplementaries …………………… ,

………………… and …………………….

11- Salivary glands secrete ……………………. Juice which changes

starch into …………………….

12- Liver secretes ……………………. juice, which changes fats into

…………………

13- Bile juice is stored in ……………………. while it is poured in

…………………….

14- The food is partially digested in …………………… and

completely in ……………………

15- …………………… is a common path between digestive and

respiratory system.

16- …………………… is a muscular sac where protein digestion starts

in.

17- The number of milk teeth is …………………… while the number

of permanent teeth is ……………………

18- There are …………………… pairs of salivary glands in the mouth.

19- Tongue is the …………………… organ.

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20- Carbohydrates provide the body with …………………… while

proteins help in …………………… the body and vitamins protect the

body from ……………………

21- The water is absorbed in the ……………………

22- …………………… process needs large amount of water.

23- …………………… muscle separates …………………… cavity from

……………… cavity.

24- It is preferable to breathe through …………………… than

breathing through ……………………

25- Trachea is lined with …………………… to eject up the strange

bodies.

26 The walls of alveoli are …………………… to allow ……………………

27- …………………… is called voice box.

28- Inhalation air contains …………………… gas while exhalation air

contains …………………… gas.

29- Fish respire through …………………… while humans respire

through ……………………

30- The two lungs contain a huge number of ……………………

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31- In inhalation process the …………………… rise up and

…………………… muscle contracts and move down.

32- …………………… gas changes clear lime water to milky.

33- During exhalation process …………………… condenses on the

glass sheet.

34- …………………… closes the opening of trachea during swallowing

of food.

35- Respiration process includes of ………………… and ……………………

process.

36- …………………… muscle controls the mechanism of respiration.

37- It is preferable to eat fruits rich in vitamin……………………

38- …………………… is the building unit of the living organism's

body.

39- The tissue consists of a group of ……………………. similar in

shape.

40- The system consists of a group of ……………………. and each

organ consists of a group of …………………….

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41- ……………………. Is a part of the cell responsible for

organization of biological operations.

42- Plant cell contains ……………………. That absorbs sun light.

43- ……………………. Fungus is used in making bread and

…………………….

(2) Write the scientific term:

1- A system that distributes blood and digested food all over

the body cells. ( ………………………………. )

2- A process of changing complex food into simple substances.

( ………………………………. )

3-A muscular tube starts with the mouth and ends with anus.

( ………………………………. )

4- A system responsible for sensation process.

( ……………………………… )

5- A cavity at which respiratory system exists.

( ……………………………… )

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6- A tube that allows the food to pass from pharynx to

stomach.

( ………………………………. )

7- A group of food that helps in building the human body.

( ………………………………. )

8- A group of food that provides the body with energy.

( ………………………………. )

9- A gland that secretes pancreatic juice. ( ………………………………. )

10- From the digestive canal supplemetaries and produce saliva

juice.

( ………………………………. )

11- The teeth that tear the food. ( ………………………………. )

12- The teeth that grind the food. ( ………………………………. )

13- The teeth that cut the food. ( ………………………………. )

14- The process of transferring the digested food from

small intestine to blood. ( ………………………………. )

15- A juice that helps in digestion of proteins.

( ………………………………. )

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16- A juice that helps in digestion of fats. ( ………………………………. )

17- Part of the digestive system where undigested food is

stored in.

( ………………………………. )

18- Part of the digestive system where pancreatic juice is

poured in.

( ………………………………. )

19- Voice box in the human body. ( ………………………………. )

20- Present inside the nose to warm the air.

( ……………………………… )

21- Present inside the nose to filter air from dust.

( ………………………………. )

22- A common cavity between digestive and respiratory system.

( ………………………………. )

23- Tiny air sacs present inside the lungs. ( ………………………………. )

24- A process in which air enters into the lungs.

( ………………………………. )

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25- A process in which air gets out from the lungs.

( ……………………………. )

26- A gas that changes clear lime water into milky.

( ……………………………. )

27- An organ in the respiratory system contains mucous layer ,

tiny hair and blood capillaries. ( ………………………………. )

28- A Part of the plant cell that protects it.( ……………………………. )

29- A fluid that fills the space inside the cell and all the cell

components are suspended in it. ( ………………………………. )

30- Unicellular organism used in making alcohol.

( ………………………………. )

31- A component in the cell which control cell division.

( ………………………………. )

32- A component in the cell which control substances enter or

leave the cell. ( ………………………………. )

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(3) Choose the correct answer:

1- The function of nervous system is ………………

( digestion – sensation – excretion )

2- A system which is responsible for producing new individuals.

( digestive – nervous – reproductive )

3- Which of the following is considered as an organ ………… ?

( yeast fungus – heart – epidermis of onion plant )

4- The organ that turns food inside the mouth cavity and mixes

it up with saliva is the ……………

( esophagus – teeth – tongue )

5- ……………. allows food to pass from pharynx to stomach.

( Mouth – Esophagus – Large intestine )

6- The stomach is …………….

( a system – an organ – a cell )

7- Digestion of protein starts in ……………..

( stomach – mouth – small intestine )

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8- In the digestive system , the stomach is followed by the …………

( esophagus – duodenum – ileum )

9- The first part of small intestine is called ……………..

( pharynx – duodenum – stomach )

10- Bile juice is secreted by ……………..

( liver – salivary glands – pancreas )

11- The digested food is absorbed in the ……………..

( larynx – ileum – duodenum )

12- The digested food is absorbed in the ……………..

( small intestine – stomach – liver )

13- The organ which is found in both of the respiratory and

digestive systems is ……………..

( mouth – larynx – pharynx )

14- Lung is considered from components of …………….. system.

( digestive – nervous – respiratory )

15- In the respiratory system, gas exchange process takes

place in the ……………

( trochea – nose – air sacs )

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16- The number of respiration times increases in …………….. case.

( sitting – running – sleeping )

17- Exhalation air contains …………….. gas and water vapour.

(oxygen – carbon dioxide – nitrogen )

18- During respiration process, gases exchange occurs in ……………

( trochea – nose – alveoli )

19- It is found in plant cell and not found in animal cell.

( nucleus – cytoplasm – plastids )

20- The tissue is made up of a symmetric set of ……………..

( organs – cells – systems )

21- yeast fungus is used in manufacturing of ……………..

( wood – alcohol – glass )

22- …………….. is used in making bread.

( bread mould fungas – yeast fungas – amoeba )

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(4) Put ( √ ) or ( × ) and correct:

1- The living organisms can't respire. ( )

2- Salivary glands secrete a fluid containing digestive

substances for fats. ( )

3- Digested food is absorbed in the stomach. ( )

4- Undigested food is assembled in the large intestine. ( )

5- Trachea contains cartilaginous rings. ( )

6- Gases exchange take place in trachea. ( )

7- The air enters the lungs through inhalation process. ( )

8- Alveoli are found in trachea. ( )

9- Air carry in oxygen gas transfers from lungs to outside

through the nose. ( )

10- The lime water is used to detect the presence of carbon

dioxide gas. ( )

11- To keep the respiratory system healthy, we should eat

fruits rich in vitamin ( c ). ( )

12- The organ consists of a group of tissues. ( )

13- Tissues are made up of a symmetric set of organs. ( )

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14- The nucleus controls the substances that enter or leave the

cell. ( )

15- Plasma membrane fills the cell cavity and all vital processes

are completed in it. ( )

16- The animal cells are surrounded by the cell wall. ( )

17- yeast fungus is unicellular organism. ( )

(5) Give reason for:

1- Digestive, respiratory and circulatory system are considered

systems.

2- Urinary system has a very important role.

3- Carbohydrates are very important for human body.

4- Molars are very important for digestion process.

5- Salivary glands are very important in digestion of food.

6- We should practice exercises regularly.

7- You should avoid buying food from the streets.

8- You should chew the food well.

9- You feel sweety taste after chewing a piece of bread.

10- Digestion process needs large amount of water.

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11- Food is necessary for human body.

12- Presence of cilia inside trachea.

13- Trachea is supported with incomplete cartilaginous rings.

14- It is preferable to breathe through nose than breathing

through mouth

15- The presence of epiglottis at the top of larynx.

16- Walls of alveoli and blood capillaries are tiny (very thin).

17- The number of respiration times increase on running.

18- Clear lime water turns milky on blowing on it.

19- Condensation of exhaled air on a mirror surface.

20- We should eat fruits rich in vitamin (C).

21- Nucleus has a very important role in the cell.

22- Plant cell contains chloroplast.

23- The presence of cell wall in plant cell.

24- The cell is the building unit of the living organisms body.

25- The unicellular organisms are integrated living organisms.

26- Yeast fungus has economic importance.

27- Some types of bacteria have an economic importance.

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(6) Compare between the following:

1- Milk and permanent teeth.

2- Salvia and bile juice.

3- Inhalation and exhalation process.

4- Animal cell and plant cell

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(1) Complete:

1- circulatory , digestive , respiratory 2- digestive

3- digested food , O2 4- respiratory

5- reproductive 6- urinary

7- complex , simple

8- digestive canal , digestive canal supplementaries

9- mouth , anus

10- liver , salivary glands , pancreas 11- saliva , sugar

12- bile , fatty emulsion

13- gall bladder , small intestine or (duodenum)

14- stomach , small intestine

15- pharynx 16- stomach

17- 20 , 32 18- 3

19- speech

20- energy , building , diseases

21- rectum 22- digestion

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23- diaphragm , chest or thoracic , abdominal

24- nose , mouth 25- cilia

26- thin , exchange of gases 27- larynx

28- O2 , CO2 29- gills , lungs

30- alveoli 31- ribs , diaphragm

32- CO2 33- water vapour

34- epiglottis 35- inhalation , exhalation

36- diaphragm 37- C

38- cell 39- cells

40- organ , tissues 41- nucleus

42- chloroplast 43- yeast , alcohol

(2) Write the scientific term:

1- circulatory system 2- digestion

3- digestive canal 4- nervous system

5- thoracic cavity 6- esophagus

7- protein 8- carbohydrate

9- pancreas 10- salivary glands

11- canines 12- molars

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13- incisors 14- absorption

15- gastric juice 16- bile juice

17- large intestine

18- small intestine or duodenum

19- larynx 20- blood capillaries

21- hair and mucous 22- pharynx

23- alveoli 24- Inhalation

25- exhalation 26- carbondioxide

27- nose

28- cell wall 29- cytoplasm

30- yeast fungus 31- Nucleus

32- plasma membrane

(3) Choose the correct answer:

1- sensation 2- reproductive

3- heart 4- tongue

5- esophagus 6- an organ

7- stomach 8- duodenum

9- duodenum 10- liver

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11- ileum 12- small intestine

13- pharynx 14- respiratory

15- air sacs 16- running

17- carbon dioxide 18- alveoli

19- plastids 20- cells

21- alcohol 22- yeast fungus

(4) Put ( √ ) or ( × ) and correct:

1- ( × ) can 2- ( × ) starch

3- ( × ) small intestine 4- ( √ )

5- ( √ ) 6- ( × ) alveoli

7- ( √ ) 8- ( × ) 2 lungs

9- ( × ) carbondioxide 10- ( √ )

11- ( √ ) 12- ( √ )

13- ( × ) cells 14- ( × ) plasma membrane

15- ( × ) cytoplasm 16- ( × ) plant cell

17- ( √ )

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(5) Give reason for:

1- Because they consist of organs.

2- Because it helps us to get rid of harmful wastes.

3- Because they provide the body with energy.

4- Because they grind the food to ease it's swallowing.

5- Because they secrete salvia juice which change starch into

sugar.

6- To keep our digestive system healthy.

7- To keep our digestive system healthy.

8- To keep digestive system healthy.

9- Because saliva change starch into sugar in the mouth.

10- To help in breaking down the complex food.

11- Because proteins help in building the body, fats and

carbohydrates provide it with energy and vitamins protect it

from diseases.

12- To eject up the strange objects.

13- To make it permanently opened.

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14- Because nose is lined with mucous layer and tiny hair to

filter the air from dust and also blood capillaries to warm the

air.

15- To close the larynx during swallowing of food.

16- To allow gases exchange process.

17- To get more energy.

18- Because the exhaled air contains CO2 gas.

19- Because the exhaled air contains water vapor.

20- To protect our bodies from diseases.

21- Because it organizes all the biological operations and it is

responsible for cell division.

22- To absorb sun light to make food by photosynthesis

process.

23- Because it supports the plant cell and gives it definite

shape.

24- Because it can make all the biological operations as

nutrition, respiration and motion.

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25- Because they can make all vital activities as motion,

respiration and sensation.

26- Because it is used to make bread and alcohol.

27- Because some types of bacteria are used in making yoghurt

and cheese.

(6) Compare between the following:

1- Milk and permanent teeth.

Milk teeth Permanent teeth

Weak Strong

In childhood phase In adult person

20 teeth 32 teeth

2- Salvia and bile juice.

Points of comparison Salvia juice Bile juice

Secreted in mouth Small intestine

The organ that

produce

Salivary gland Liver

The substance that

digested by it

Starch change into

sugar

Fast change into

fatty emulsion

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3- Inhalation and exhalation process.

Points of comparison Inhalation exhalation

Ribs Rise up Move down

Diaphragm Contracts and move

down

Relaxes and move

up

Chest size Increase Decrease

Gas O2 Co2

4- Animal cell and Plant cell

Points of comparison Plant cell Animal cell

1- Cell wall √

2- Plasma membrane √ √

3- Green plastides √

4- Nucleus √ √

5- Cytoplasm √ √