Download PortSaid international schools. Science Department. Grade 5. Name

PortSaid international schools.
Science Department.
Grade 5.
Name:
Date:
/
/
.
Class:
Worksheet 8
1- Complete the following sentences:
1. Heart is located within the chest cavity between the ……………….
2. Heart beats cause ……………….. to all body parts.
3. Heart is consisted of 4 champers filled with ……………. and connected with
………………………
4. Blood flows inside a network of pipelines called ………………
5. The blood vessels that emerge from the heart are called ………………
6. …………………. blood cells attack the microbes that cause diseases to human.
7. ………………. blood cells carry oxygen and carbon dioxide inside the body.
8. ……………… keeps body temperature constant.
9. Blood platelets form ……………. which help in healing wounds.
10. Left ventricle pushes the blood into the …………………
11. ………….. atrium receives blood from all body parts except the lungs.
12. …………………………. are the main organs of the urinary system.
13. Kidneys are located on both sides of the …………………..
14. The kidney excretes the wastes dissolved in water in the form of ……………….
15. ………………….. is connected with the kidney and carries the urine into
………………………
16. Urinary system is located inside the ………………….. cavity.
17. The heart lies in the ……………. Part of the body.
18. Aorta originates from ……………………
19. Pulmonary arteries originate from ……………………..
20. Blood is transported from all parts of the body by ……………. to the heart.
21. Number of heart beats is …………. Per a minute.
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2- Give reason:
a. The two sides of heart are separated.
…………………………………………………………………………………………
b. Heart contains valves.
…………………………………………………………………………………………
PortSaid international schools.
Science Department.
Grade 5.
Name:
Date:
c. Blood flows in one direction only inside the heart.
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Class:
…………………………………………………………………………………………
d. The wall of left ventricle is thicker than that of the right one.
…………………………………………………………………………………………
e. Blood capillaries have a thin wall.
…………………………………………………………………………………………
f. It is necessary to keep exercising.
…………………………………………………………………………………………
g. Smoking must be avoided.
…………………………………………………………………………………………
h. It is necessary to avoid exposure to infection and accidents.
…………………………………………………………………………………………
I. Skin is one of the excretory organs.
…………………………………………………………………………………………
J. If the 2 kidneys are damaged, the person will die.
…………………………………………………………………………………………
K. Sweat has a salty taste.
…………………………………………………………………………………………
L. Man urinates less in summer than winter.
…………………………………………………………………………………………
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3- Write the scientific term which expresses each of the following sentences:
1.
2.
3.
4.
5.
A muscular organ, about the fist in size and located within the chest.(
The two lower champers of the heart.
(
The network of pipelines that extend all over the human body.
(
The artery that carries blood rich in carbon dioxide.
(
The blood vessels that collect blood from all body parts and pour it into heart.
(
6. The cells that have no nuclei.
(
)
)
)
)
)
)
PortSaid international schools.
Science Department.
Grade 5.
Name:
Date: / /
.
Class:
7. The small bodies that play a role in blood coagulation when the body is wounded.
(
8. A yellow watery fluid in which blood cells float.
(
9. The flow of blood to the lungs and its returning back again to the heart.
(
10. Blood circulation between the heart and all body parts except the two lungs.
(
11. The group of organs that clarifies the body from the wastes and harmful substances.
(
12. The system that clarifies blood from excess salts, urea and uric acid.
(
13. The two organs which excrete carbon dioxide and excess water in the form of vapor.
(
14. The fluid which the kidneys produces and contains harmful substances.
(
15. The narrow tube which connects with the kidney and urine passes through it.
(
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4- State the function of the following:
 The kidney. ………………………………………………………………..
)
)
)
)
)
)
)
)
)
 Urinary bladder. ……………………………………………………………
 Urethra ………………………………………………………………………
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5- Complete the following sentences by using the following words:
( plasma – valve – veins – left ventricle – clot – pulmonary artery – blood platelets –
urea – urinary bladder – urethra – uric acid )
1. Vessels that carry blood to the heart are called …………….
2. There is a ………………….. between atrium and ventricle on each side of the heart.
3. The tube, which extends from the bladder and opens outside the body, is called …………
4. When the left atrium contracts, it pushes the blood to the ………………….
5. All the arteries carry oxygen-rich blood except …………………..
PortSaid international schools.
Science Department.
Grade 5.
Name:
6. …………………. Is a balloon like bag.
Date:
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Class:
7. Blood consists of red blood cells and white blood cells, and ……………………
8. Urine consists of water containing excess salt, and …………………
9. When the blood is exposed to the air, a bloody ………… is formed.
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6- Put () or () in front of each of the following sentences and correct the underlined
words in the wrong sentences:
a. There are valves within the heart cavity.
(
)
b. The aorta delivers blood to the lungs.
(
)
c. White blood cells defend the body against microbes.
(
)
d. Eating meals rich in fats and salt activate the circulatory system.
(
)
e. Keeping the urine and delaying getting rid of it, benefits urinary bladder.
(
)
f. The kidney filters excess water and salts from the human food.
(
)
g. Ureter is a tube that extends from the bladder to open outside of the body.
(
)
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7- Choose the correct answer:
1- The heart is a muscular pump in a size of your ………………
- Finger.
- Foot.
- Fist.
2- Blood vessels which carry blood from the heart are the ……………..
- Arteries.
- veins.
-blood capillaries.
3- Blood components which are responsible for attacking the microbes causing diseases to
man are the …………………….
- red blood corpuscles - white blood corpuscles
- blood platelets
4- Carbon dioxide and water vapor are released by the ……………….
- Kidneys.
- Lungs.
- heart.
5- Urea is expelled by the ………………..
- Heart.
- Kidneys.
- Lungs.
Thank you
Good luck