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Body Systems Practice Questions

Total questions: 119

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

What is the main function of the circulatory system?

a)

To digest food

b)

To transport blood around the body

c)

To produce hormones

d)

To control body temperature

2.

What do the valves in the heart do?

a)

They produce oxygen

b)

They open and close between the chambers

c)

They store nutrients

d)

They remove waste

3.

How many chambers does the heart have?

a)

2

b)

3

c)

4

d)

5

4.

Which type of blood vessel carries oxygenated blood away from the heart?

a)

Veins

b)

Capillaries

c)

Arteries

d)

Nerves

5.

What is a common cause of coronary heart disease?

a)

Lack of exercise

b)

Plaque buildup in arteries

c)

Too much water intake

d)

Low blood sugar

6.

What is the size of your heart approximately?

a)

The size of a tennis ball

b)

The size of a fist

c)

The size of a grapefruit

d)

The size of a golf ball

7.

What can be used to restart a heart?

a)

A thermometer

b)

An AED

c)

A stethoscope

d)

A blood pressure cuff

8.

What is the main function of the respiratory system?

a)

To help us breathe

b)

To digest food

c)

To circulate blood

d)

To move muscles

9.

Which gas does the respiratory system take in from the air?

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Helium

10.

What is the role of the nose in the respiratory system?

a)

To pump blood

b)

To filter and warm air

c)

To digest food

d)

To produce sound

11.

Where does oxygen enter the blood in the respiratory system?

a)

Bronchi

b)

Alveoli

c)

Trachea

d)

Pharynx

12.

What happens to the diaphragm when you breathe in?

a)

It moves up

b)

It moves down

c)

It stays still

d)

It contracts

13.

Which of the following is a way to take care of your respiratory system?

a)

Avoid exercise

b)

Smoke regularly

c)

Breathe through your nose

d)

Stay indoors all the time

14.

What is the main function of the digestive system?

a)

To produce oxygen

b)

To break down food into nutrients

c)

To circulate blood

d)

To store energy

15.

Which part of the digestive system begins the process of digestion with chewing and saliva?

a)

Stomach

b)

Esophagus

c)

Mouth

d)

Liver

16.

What does the stomach use to mix food?

a)

Water and fiber

b)

Acids and enzymes

c)

Saliva and bile

d)

Blood and oxygen

17.

Where are most nutrients absorbed in the digestive system?

a)

Large intestine

b)

Stomach

c)

Small intestine

d)

Esophagus

18.

What is stored in the gallbladder to help with fat digestion?

a)

Saliva

b)

Bile

c)

Enzymes

d)

Water

19.

Which of the following is a common problem related to the digestive system?

a)

Headaches

b)

Heartburn

c)

Coughing

d)

Sneezing

20.

How many glasses of water should you drink daily to take care of your digestive system?

a)

2-3 glasses

b)

4-5 glasses

c)

6-8 glasses

d)

9-10 glasses

21.

What does the skeletal system provide for our body?

a)

Energy and warmth

b)

Structure and support

c)

Digestion and absorption

d)

Circulation and respiration

22.

Which vital organs does the skeletal system protect?

a)

Stomach and intestines

b)

Brain and heart

c)

Kidneys and liver

d)

Skin and hair

23.

How many bones are there in an adult human body?

a)

106

b)

206

c)

306

d)

406

24.

What cushions joints to prevent bone-on-bone contact?

a)

Ligaments

b)

Cartilage

c)

Muscles

d)

Tendons

25.

What is a common problem where bones become weak and brittle?

a)

Fractures

b)

Osteoporosis

c)

Scoliosis

d)

Arthritis

26.

What does the muscular system help us do?

a)

Digest food

b)

Move our body

c)

See in the dark

d)

Hear sounds

27.

Which type of muscle is attached to bones?

a)

Cardiac muscle

b)

Smooth muscle

c)

Skeletal muscle

d)

Involuntary muscle

28.

What is the strongest muscle in your body?

a)

Heart muscle

b)

Bicep

c)

Masseter (jaw muscle)

d)

Tricep

29.

How do muscles work?

a)

In pairs

b)

Alone

c)

Without energy

d)

Without oxygen

30.

What is an example of a smooth muscle?

a)

Bicep

b)

Heart

c)

Stomach

d)

Jaw

31.

Diagram showing types of muscle tissues and their control

a)

Skeletal, Cardiac, Smooth

b)

Epithelial, Connective, Nervous

c)

Adipose, Cartilage, Bone

d)

Blood, Lymph, Tendon

32.

What is one way to take care of your muscular system?

a)

Eat more sugar

b)

Exercise regularly

c)

Watch TV all day

d)

Skip breakfast

33.

What does the nervous system act like in the body?

a)

A storage unit

b)

A command center

c)

A power generator

d)

A waste processor

34.

Which part of the nervous system is known as the control center?

a)

Spinal cord

b)

Nerves

c)

Brain

d)

Muscles

35.

What is the function of the spinal cord?

a)

Stores energy

b)

Highway for nerve signals

c)

Produces hormones

d)

Filters blood

36.

How do neurons communicate?

a)

Through light signals

b)

Using electrical and chemical messages

c)

By producing sound

d)

Through magnetic fields

37.

What is a common problem in the nervous system that involves nerve cells sending the wrong signals?

a)

Headaches

b)

Epilepsy

c)

Multiple sclerosis

d)

Optical illusions

38.

What do optical illusions do to our perception?

a)

Make things appear smaller

b)

Trick our brain and eyes

c)

Improve our vision

d)

Make things disappear

39.

Which type of illusion involves pictures that can be seen in two different ways?

a)

Physiological Illusions

b)

Cognitive Illusions

c)

Literal Illusions

d)

Visual Illusions

40.

What is an example of a cognitive illusion?

a)

Duck-rabbit illusion

b)

Afterimages

c)

Müller-Lyer arrows

d)

Color blindness

41.

This is an example of a _________________ illusion because it is an example of how brightness, color, or movement can fool our eyes.

a)

Physiological

b)

Literal

c)

Cognitive

d)

Cool cat

42.

What is the primary function of red blood cells?

a)

To carry oxygen

b)

To produce hormones

c)

To fight infections

d)

To digest food

43.

Which part of the brain is responsible for balance and coordination?

a)

Cerebellum

b)

Cerebrum

c)

Medulla

d)

Hypothalamus

44.

What is the main function of white blood cells?

a)

To transport nutrients

b)

To store energy

c)

To fight infections

d)

To carry carbon dioxide

45.
How do the Nervous and Digestive System work together?
a)
The Nervous System tells the Digestive System what to do.
b)
The Digestive System tells the Nervous System when you are hungry.
c)
The brain controls how fast/slow you digest your food and tells you when you are hungry/full.
d)
The Nervous System is part of the Digestive System.
46.
The following is an example of which two systems working together:
"The small intestine absorbs nutrients from our food and they are carried through the blood to the cells."
a)
Digestive and Circulatory
b)
Digestive and Respiratory
c)
Digestive and Skeletal
d)
Digestive and Nervous
47.
Which system works with the Skeletal system to give nutrients to the bones?
a)
Nervous System
b)
Digestive System
c)
Muscular System
d)
None of the above
48.
Fill in the blanks:
"The ________ system allows us to move around, but the _________ system controls our movement."
a)
Skeletal, Nervous
b)
Nervous, Skeletal
c)
Muscular, Skeletal
d)
Nervous, Muscular
49.
Choose the best example of how the Muscular System and Digestive System work together:
a)
Our muscles need our digestive system to work correctly.
b)
These systems don't work together.
c)
The muscles in the esophagus push the food down and the stomach muscles churn up the food.
d)
The muscles in the stomach send food to our muscles.
50.

Which system is this?

a)

Integumentary

b)

Respiratory

c)

Nervous

d)

Digestive

51.

Reorder the following from simplest to most complex.

a)

Organelle

b)

Cell

c)

Tissue

d)

Organ

e)

Organ System

1)
2)
3)
4)
5)
52.

Match the organ system with its function

a)

Nervous System

1.

Controls the body

b)

Circulatory System

2.

Transports oxygen and nutrients through the body

c)

Muscular System

3.

Helps move the body

d)

Digestive System

4.

Breaks down food into usable nutrients

53.

Match the organ system with its function(s).

a)

Nervous System

1.

Interprets what you see, hear and smell

b)

Skeletal System

2.

Provides support, protects organs, helps the body move

c)

Respiratory System

3.

Takes in oxygen and removes carbon dioxide

d)

Digestive System

4.

Breaks down food, absorbs nutrients, and removes waste

54.

What is the smallest unit of life?

a)

atom

b)

organ

c)

tissue

d)

cell

55.

Drag the images to match the labels

a)
1.

Cell

b)
2.

Tissue

c)
3.

Organ

d)
4.

Organ System

e)
5.

Organism

56.

Which shows circulatory and respiratory system working together?

a)

Nutrients absorb into blood from intestines

b)

Lungs expand and contract due to diaphragm

c)

Gases exchanged in lungs are carried by blood

d)

New red blood cells are generated in the marrow of bones

57.

Specialized tissues that perform a task.

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

58.

An example of a(n) _______________ is the brain, spinal cord,and nerves working together.

a)

Tissue

b)

Organ

c)

Organ System

d)

Organism

59.

A building's foundation, walls, floors, and roof are most like which body system?

a)

The skeletal system

b)

The respiratory system

c)

The nervous system

d)

The digestive system

60.

Your nervous system is like a building's:

a)

Heating system

b)

Electrical System

c)

Plumbing system

d)

Support System

61.

Muscles work together to:

a)

get oxygen from the air

b)

get rid of carbon dioxide

c)

support and move your body

d)

absorb water and nutrients

62.

The digestive system:

a)

gets oxygen from the air

b)

absorbs water and nutrients

c)

gets rid of carbon dioxide

d)

supports and moves the body

63.

A girl is getting ready to kick a soccer ball. Which body systems would BEST coordinate this movement?

a)

Nervous, muscular and skeletal

b)

Nervous and respiratory

c)

Excretory, circulatory and respiratory

d)

Circulatory and respiratory

64.

Peter stopped suddenly on his bike because he heard a car speed by him. Which system received the external signal of hearing that enabled Peter to respond by stopping his bike?

a)

nervous system

b)

circulatory system

c)

muscular system

d)

excretory system

65.

Which two body systems work together to bring oxygen to every cell in the body?

a)

Digestive and excretory

b)

Digestive and respiratory

c)

Digestive and circulatory

d)

Respiratory and circulatory

66.

Your musculoskeletal system consists of voluntary and involuntary muscles. _______ are muscles you can control, such as those you can use to chew gum.

a)

small muscles

b)

involuntary muscles

c)

voluntary muscles

d)

cardiac muscles

67.

A highway system is made up of many interconnected roads. Vehicles on these roads transport people, goods and wastes within cities and between cities. Which organ system is most like a highway system in its function?

a)

Skeletal

b)

Digestive

c)

Circulatory

d)

Nervous

68.

The ______ system gets nutrients into the blood; the _______ system gets them to your cells.

a)

excretory; circulatory

b)

digestive; circulatory

c)

circulatory; digestive

d)

digestive; excretory

69.

When the left side of your heart collects blood from your lungs and pumps it throughout your body, what has been added into that blood through your lungs?

a)

Oxygen

b)

Water

c)

Nerves

d)

Carbon Dioxide

70.

Which TWO systems are involved?

The brain controls the muscles that control breathing in and out.

a)

Circulatory system

b)

Respiratory system

c)

Nervous system

d)

Digestive system

71.

Which TWO systems are involved?

The brain sends signals to the muscles to contract or relax when you want to move.

a)

Nervous system

b)

Excretory system

c)

Musculoskeletal system

d)

Respiratory system

72.

Which TWO systems are involved?

The _________ system distributes the nutrients arriving from the hamburger he ate for lunch.

a)

Circulatory system

b)

Excretory system

c)

Musculoskeletal system

d)

Digestive system

73.

Which TWO systems are involved?

The brain tells the heart to speed up when you exercise.

a)

Digestive system

b)

Respiratory system

c)

Circulatory System

d)

Nervous System

74.

Which TWO systems are involved?

Your brain controls the muscles that move food along your large intestines.

a)

Respiratory system

b)

Digestive system

c)

Circulatory system

d)

Nervous system

75.

Which TWO systems are involved?

The lungs provide the oxygen that the cells in the stomach need to digest food.

a)

Nervous system

b)

Respiratory system

c)

Excretory system

d)

Digestive system

76.

Which TWO systems are involved?

The teeth in the skull help mash up food for the __________ system to further digest.

a)

Respiratory system

b)

Nervous system

c)

Muscluoskeletal system

d)

Digestive system

77.

Which TWO systems are involved?

When you exercise you breathe in and out faster to provide more oxygen to the muscle cells, which are working hard.

a)

Respiratory system

b)

Musculoskeletal system

c)

Digestive system

d)

Nervous system

78.
What organ is this?
a)
stomach
b)
large intestine
c)
small intestine
d)
esophagus
79.
What organ is this?
a)
stomach
b)
small intestine
c)
large intestine
d)
esophagus
80.

Shaan has come across this labelled blood vessel in the diagram below. It is an artery that receives blood from the right ventricle, and leads towards the lungs.

a)

Lung artery

b)

Aorta

c)

Pulmonary artery

d)

Vena cava

81.

What is the coloured structure in the diagram above?

a)

Pharynx

b)

Larynx

c)

Trachea

d)

Bronchi

82.

What is the coloured structure in the diagram?

a)

Abdomen

b)

Alveoli

c)

Larynx

d)

Diaphragm

83.

The diagram shows the central nervous system.

According to the diagram, which term best describes the brain?

a)

Cell

b)

Organ

c)

Tissue

d)

Organ System

84.

Which term best describes the stomach?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

85.

Study the diagram.


Which of the following human organ system is responsible for protecting the organ labelled X in the diagram?

a)

Skeletal system

b)

Digestive system

c)

Muscular system

d)

Respiratory system

86.

Based on the diagram below, which of the organs , W, X, Y and Z will help to break down food?

a)

W and X

b)

W and Z

c)

X and Y

d)

Y and Z

87.

The diagram shows part of a human body system.


Which of the following statement(s) about the parts are incorrect?


A: Water is removed from X.

B: Digestion is completed at Y.

C: Undigested food remains in Y.

D: Partially digested food enters Y from the stomach.

a)

C only

b)

A and D only

c)

A, C and D only

d)

A, B, C and D

88.

Study the following diagram of the human digestive system.


What substance is removed from organ N?

a)

Air

b)

Food

c)

Blood

d)

Water

89.

The diagram shows a part of the human body system.


Which body system does it belong to?

a)

respiratory

b)

circulatory

c)

digestive

d)

muscular

90.

The diagram shows a part of the human body system.


Which body system does it belong to?

a)

respiratory

b)

circulatory

c)

digestive

d)

muscular

91.

The diagram shows a part of the human body system.


Which body system does it belong to?

a)

respiratory

b)

circulatory

c)

digestive

d)

muscular

92.

Which one of the following shows the correct order when food moves through part of the digestive system?

a)

gullet →\rightarrow stomach →\rightarrow large intestine →\rightarrow small intestine

b)

gulletundefinedstomachundefinedsmall intestineundefinedlarge intestine

c)

stomachundefinedsmall intestineundefinedgulletundefinedlarge intestine

d)

stomachundefinedgulletundefinedsmall intestineundefinedlarge intestine

93.

How many chambers does the heart have ?

a)

2

b)

7

c)

4

d)

8

94.
Which of the following is a synonym for the circulatory system?
a)
respiratory system
b)
digestive system
c)
nervous system
d)
cardiovascular system
95.

Which letter on the diagram is the left atrium?

a)

A

b)

B

c)

C

d)

D

96.

Which letter on the diagram is the left ventricle?

a)

A

b)

B

c)

C

d)

D

97.

Which letter on the diagram is the right ventricle?

a)

A

b)

B

c)

C

d)

D

98.

Which letter on the diagram is the right atrium?

a)

A

b)

B

c)

C

d)

D

99.

Which letter on the diagram is the aorta?

a)

E

b)

F

c)

G

d)

H

100.

What is D pointing to?

a)

esophagus

b)

trachea

c)

bronchus

d)

alveoli

101.

What is E pointing to?

a)

trachea

b)

alveoli

c)

bronchioles

d)

bronchial tube or bronchus

102.

What is G pointing to?

a)

bronchioles

b)

bronchus

c)

alveoli

d)

pleura

103.

What is H pointing to?

a)

alveoli

b)

bronchioles

c)

bronchus

d)

pleura

104.

What is I pointing to?

a)

Bronchioles

b)

alveoli

c)

diaphragm

d)

pleura

105.

a)

clavicle

b)

Strenum

c)

Scapula

d)

Tibia

106.

a)

Cranium

b)

Clavicle

c)

Ulan

d)

Rib

107.

a)

Mandible

b)

Vertebra

c)

Patella

d)

Metacarpals

108.

(shoulder blade)

a)

Scapula

b)

Rib

c)

Humorous

d)

Carpals

109.

a)

Sternum

b)

Radius

c)

Sacrum

d)

Femur

110.

a)

Humerus

b)

Pelvis

c)

Sacrum

d)

Femur

111.

a)

Vertebra

b)

Pelvis

c)

Sacrum

d)

Tarsals

112.

a)

Ulna

b)

Radius

113.

a)

Phalanges

b)

Metacarpals

c)

Carpals

114.

a)

Femur

b)

Fibula

c)

Tibia

d)

Humerus

115.

This muscle is the (a)   .

116.

Label #1

a)

Brain

b)

Cranial nerves

c)

Spinal nerves

d)

Spinal cord

117.

Label #2

a)

Brain

b)

Cranial nerves

c)

Spinal nerves

d)

Spinal cord

118.

Identify the stimulus..."A person shivers because it is cold outside"

a)

Cold temperature

b)

A person shivers

119.

Name this tube.

a)

Trachea

b)

Small intestine

c)

Ureter

d)

Spinal chord

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