Download Revision Sheet Quarter 1 2014-2015 Department:

Revision Sheet
Quarter 1
2014-2015
Department: - Science
Name: -Mrs.Ghada
Grade:-8
Choose the letter of the best answer.
1. What is the main function of the male reproductive system?
A. to produce eggs
B. to produce sperm
C. to regulate development
D.to protect the developing baby
2. This image shows the structure of an arm. The arm can bend or straighten
because of a joint that forms the elbow.
Which type of joint is the elbow?
A. fixed
B. hinge
C.gliding
D.ball-and-socket
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3. Groups of organs in the body work together as organ systems. Each organ
system has a special role in the body. Organ systems include the nervous
system, immune system, and endocrine system. What is the role of the
endocrine system in the body?
A. It gets rid of wastes that the body produces.
B. It uses electrical signals to control body functions.
C.It uses chemical messages to control body functions.
D.It gets rid of bacteria and viruses that invade the body.
4. A pregnancy begins when a sperm cell unites with an egg cell within the
female reproductive system. The diagram shows structures of the female
reproductive system.
.What is the number of the part of the female reproductive system that
produces the egg cells?
A. 1
B. 2
C.3
D.5
5.Each organ of the digestive system plays an important role in food
digestion. What is one role of the liver?
A. The liver is responsible for most mechanical digestion that occurs.
B. The liver produces bile, which helps break down fats into small droplets.
C. The liver transports food through the digestive tract through peristalsis.
D. The liver absorbs water from digested material before it moves to the
rectum.
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6.Which term describes the type of digestion that results from chewing and
crushing food into smaller pieces?
A. absorption
B. peristalsis
C.chemical digestion
D.mechanical digestion
7. In the female reproductive system, which structure is most important in
protecting and nourishing the embryo during pregnancy?
A. uterus
B. ovary
C.vagina
D.fallopian tube
8.The diagram below shows some structures of the respiratory system.
Which part is labeled with a number 1 on the diagram?
A. alveoli
B. bronchi
C.pharynx
D.trachea
.
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9..The illustration below shows four organ systems of the human body.
Which of these systems controls the functions of the other three systems?
A. system 1
B. system 2
C.system 3
D.system 4
10.Which list correctly describes the order in which liquid waste moves
through structures of the excretory system before it exits the body?
A.bladder, urethra, kidneys, ureters
B.kidneys, ureters, bladder, urethra
C.kidneys, ureters, nephrons, urethra
D.kidneys, urethra, glomerulus, ureters
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11..Kim is studying certain blood vessels in the body. In these vessels, blood
travels from the heart to the muscles in the upper arms. Which type of
vessels is Kim studying?
A.veins
B.arteries
C.capillaries
D.lymph ducts
Answer the following questions in the space provided.
12.Muscle tissues can be classified into three main types.
Which type of muscle tissue is found in the blood vessels and intestines?
____________________________________________________________________
____________________________________________________________________
13.Which of the three muscle tissues is found in the voluntary muscles of the
body?
____________________________________________________________________
____________________________________________________________________
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14.The diagram below represents blood circulating from the heart, through
capillaries, and back to the heart.
.Which types of blood vessels are indicated by the numbers 1 and 2 on the
diagram?
Vessel 1: _____________________________________________________________
Vessel 2: _____________________________________________________________
Which of these two blood vessels contains more oxygen?
Explain your answer.
____________________________________________________________________
____________________________________________________________________
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15.Which of the following symptoms most likely results from a reproductive
system that is not functioning properly in an adult male?
A.Sperm are not produced by the body.
B .Egg cells are not produced by the body.
C. Hormones are not delivered to body cells.
D. Growth and development begin to decline.
16. This image shows the structure of an arm. The arm can bend or
straighten because of a joint that forms the elbow.
Which part of the body has the same type of joint as the elbow?
A.the shoulder; both are ball-and-socket joints
B.the shoulder; both are hinge joints
C.the knee; both are ball-and-socket joints
D.the knee; both are hinge joints
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17. A pregnancy begins when a sperm cell unites with an egg cell within
the female reproductive system. The diagram shows structures of the
female reproductive system.
What is the number of the structure where implantation of the united cells
typically happens?
A.2
B.3
C.4
D.5
18.Each organ of the digestive system plays an important role in food
digestion. What would most likely result if a person’s liver does not
produce enough bile?
A.Mechanical digestion will not happen as much as it should.
B.Waste will not be stored for a long enough time before it is eliminated.
C. Food will not be pushed along through the digestive tract as fast as it
should.
D.The fat in the food a person eats will not be broken down and absorbed
as it should.
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19.The pancreas produces enzymes that break down foods into smaller
molecules. Which of the following best describes the function of these
enzymes?
A.absorption
B.peristalsis
C. Chemical digestion
D. Mechanical digestion
20.Which statement correctly describes a role of the uterus in the female
reproductive system?
A.During menstruation, eggs are produced in the uterus.
B.During pregnancy, the embryo develops inside the uterus.
C. During adolescence, hormones are produced by the uterus.
D. During childbirth, the baby exits the body through the uterus.
21.The diagram below shows some structures of the respiratory system.
In which of the numbered structures are oxygen and carbon dioxide
exchanged?
A. 1
C. 3
B.3
D. .
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22.The illustration below shows four systems of the human body.
Which two organ systems work together to provide cells with oxygen and
to remove carbon dioxide from the body?
A. system 1 and system 2
B. system 1 and system 4
C. system 2 and system 3
D. system 3 and system 4
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23.A ureter carries liquid waste between which structures?
A. a kidney and the bladder
B. a nephron and a kidney
C. a glomerulus and a nephron
D. the bladder and the outside of the body
24.Valves found in blood veins help blood to flow in one direction. If a
disease damaged the valves in a person’s veins, blood would not flow
properly toward which structure?
A.the heart
B.the brain
C. lymph nodes
D. hands and feet
Answer the following questions in the space provided.
25.sMuscle tissues can be classified into three main types.
Which type of muscle tissue is found in the heart?
_______________________________________________________________________
_______________________________________________________________________
Which term describes the type of muscle control that causes the heart to
beat?
____________________________________________________________________
____________________________________________________________________
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