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Body Systems: Circulatory and Respiratory
Name:
Class:
Consolidation Worksheet
1
Date:
Why Do We Need Air?
Read the statements below and write ‘T’ for the statements that are true and ‘F’
for the statements that are false.
Statements
True/False
1
Air is mainly made up of nitrogen and oxygen.
2
The air we breathe out contains more carbon dioxide than
the air we breathe in.
3
Water vapour makes up 1 % of the air around us.
4
Oxygen is needed for respiration to take place.
5
Exhaled air is warmer than inhaled air.
6
Limewater can be used to test for the presence of oxygen.
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
75
Body Systems: Circulatory and Respiratory
Name:
Class:
Consolidation Worksheet
2
Date:
What Makes Up Our Respiratory System and
What Is Its Function?
Draw the organs that make up the respiratory system in the diagram below and
label them. You should include the nose, windpipe and lungs.
Diaphragm
The steps of what happens when we inhale are shown below. Number the steps in
the correct order.
Step
What happens
Our chest cavity becomes bigger, creating an area of low air pressure.
76
2.
Air in our lungs enters the bloodstream.
3.
Our ribcage moves upwards and outwards.
4.
Our diaphragm contracts and flattens.
5.
Our lungs expand, allowing air to rush in through our nose, down the
windpipe and into them.
Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Body Systems: Circulatory and Respiratory
Name:
Class:
Consolidation Worksheet
3
Date:
What Makes Up the Circulatory System and
What Is Its Function?
Read the statements below and tick (ü) the statements that are true.
Statements
True
1
The heart is a muscular organ.
2
Capillaries are big blood vessels.
3
Blood rich in oxygen travels from the lungs back to the heart
first before it is pumped to the rest of the body.
4
All arteries carry only oxygen-rich blood.
5
Blood rich in oxygen is dark red in colour.
6
Blood makes up 8 % of our body weight.
7
The right side of the heart receives blood from the lungs and
pumps it to the rest of the body.
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
77
How is oxygen transported throughout our body when we breathe in? Fill in the
blanks to describe the steps below. The first step has been done for you.
Step
78
What happens
1
Oxygen that we breathe in reaches the air sacs in our lungs. It then
enters the bloodstream which transports it to the heart.
2
The heart pumps the blood rich in
body.
3
Oxygen is combined with digested food for cells to release
produced during
. Waste such as
respiration enters another series of blood vessels.
4
The blood which contains carbon dioxide produced during respiration
.
returns to the
5
The heart pumps the blood to the
is removed. A fresh supply of
Additional Teacher’s Resources
to all parts of our
where carbon dioxide
is taken in.
© 2012 Alston Publishing House Pte Ltd
Body Systems: Circulatory and Respiratory
Name:
Class:
Consolidation Worksheet
4
Date:
What If Our Respiratory and
Circulatory Systems Break Down?
Answer the following questions.
a. If a person has difficulty breathing because of a reaction to a trigger, what
ailment might this person have?
b. Name two common triggers for the ailment mentioned in ‘a’.
c. What could happen if the person suffering from an attack of the ailment
mentioned in ‘a’ is not treated?
d. What are the treatments for the ailment mentioned in ‘a’?
Complete the mind map below.
is caused by
ca
can be prevented by
© 2012 Alston Publishing House Pte Ltd
nb
et
re
at
ed
wi
Fat, cholesterol and other substances forming
plaque on the arteries, narrowing them and
making it harder for blood to flow through.
th
is caused by
Science SMART Teacher’s Guide Grade 6
79
Body Systems: Circulatory and Respiratory
Name:
Class:
Fun and
Games
Date:
How ‘Airtistic’ Are You?
Air is important to living things. Other than keeping living things alive, there are
many ways air can be useful.
Let’s find out how we can use air to do art!
Materials
• Somepaintandwater
• Astraw
• Apieceofpaper
Procedure
Step 1: Dip the straw into the container
of paint mixed with water and ‘lift’ some
paint as shown below.
Step 2: Drop
the paint onto a
piece of paper.
Paper
Paint mixed with water
Straw
Step 3: Gently blow at the paint from
different directions.
Admire your work of art!
Completed art piece
80
Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Body Systems: Circulatory and Respiratory
Name:
Class:
Date:
Exam Practice
Process skills: Observing, Comparing, Analysing
The picture below shows some blood vessels.
X
Y
Z
a. Which of the blood vessels, X, Y or Z, transports blood rich in carbon
dioxide?
[1 mark]
b. Which of the blood vessels, X, Y or Z, carries blood from the heart to the lungs
to pick up oxygen?
[1 mark]
c. Which of the blood vessels, X, Y or Z, has the thinnest walls?
d. Stateonefunctionofthethinwallsinthebloodvessels
you mentioned in ‘c’.
[1 mark]
© 2012 Alston Publishing House Pte Ltd
[1 mark]
Hint:
How are thin walls in
blood vessels useful?
Science SMART Teacher’s Guide Grade 6
81
1
Class:
Date:
Additional Teacher’s Resources
T
The air we breathe out contains more carbon dioxide than
the air we breathe in.
Water vapour makes up 1 % of the air around us.
Oxygen is needed for respiration to take place.
Exhaled air is warmer than inhaled air.
Limewater can be used to test for the presence of oxygen.
2
3
4
5
6
F
T
T
F
T
Air is mainly made up of nitrogen and oxygen.
True/False
1
Statements
Read the statements below and write ‘T’ for the statements that are true and ‘F’
for the statements that are false.
Why Do We Need Air?
Consolidation Worksheet
Name:
Body Systems: Circulatory and Respiratory
Answers to Additional Teacher’s Resources
2
Class:
Date:
What happens
Our chest cavity becomes bigger, creating an area of low air pressure.
Air in our lungs enters the bloodstream.
Our ribcage moves upwards and outwards.
Our diaphragm contracts and flattens.
Our lungs expand, allowing air to rush in through our nose, down the
windpipe and into them.
Step
3
5
2.
2
3.
4.1
4
5.
The steps of what happens when we inhale are shown below. Number the steps in
the correct order.
Diaphragm
Lungs
Windpipe
Nose
(Pupils should draw
the respiratory system
similar to the example.
The nose, windpipe, and
lungs must be included.)
Draw the organs that make up the respiratory system in the diagram below and
label them. You should include the nose, windpipe and lungs.
What Makes Up Our Respiratory System and
What Is Its Function?
Consolidation Worksheet
Name:
Body Systems: Circulatory and Respiratory
Answers to Additional Teacher’s Resources
Chapter 1
82
© 2012 Alston Publishing House Pte Ltd
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
83
3
Class:
Date:
to all parts of our
Blood makes up 8 % of our body weight.
6
ü
ü
Answers to Additional Teacher’s Resources
The right side of the heart receives blood from the lungs and
pumps it to the rest of the body.
Blood rich in oxygen is dark red in colour.
5
7
All arteries carry only oxygen-rich blood.
4
5
Body Systems:
Circulatory and
Respiratory
Answers to Additional Teacher’s Resources
lungs
where carbon dioxide
The heart pumps the blood to the
oxygen
is taken in.
is removed. A fresh supply of
The blood which contains carbon dioxide produced during respiration
heart
.
returns to the
4
Blood rich in oxygen travels from the lungs back to the heart
first before it is pumped to the rest of the body.
3
ü
respiration enters another series of blood vessels.
Capillaries are big blood vessels.
Oxygen is combined with digested food for cells to release
energy
. Waste such as carbon dioxide produced during
oxygen
2
3
The heart pumps the blood rich in
body.
Oxygen that we breathe in reaches the air sacs in our lungs. It then
enters the bloodstream which transports it to the heart.
What happens
The heart is a muscular organ.
ü
True
2
1
Step
How is oxygen transported throughout our body when we breathe in? Fill in the
blanks to describe the steps below. The first step has been done for you.
1
Statements
Read the statements below and tick (ü) the statements that are true.
What Makes Up the Circulatory System and
What Is Its Function?
Consolidation Worksheet
Name:
Body Systems: Circulatory and Respiratory
4
Class:
Date:
Additional Teacher’s Resources
Adopting a
healthier lifestyle
by eating wellbalanced meals
and exercising
regularly
can be prevented by
Arteriosclerosis
ca
nb
et
re
at
ed
wi
is caused by
th
Complete the mind map below.
Doctorprescribed drugs
and cholesterol
medication
Unhealthy
lifestyle of a diet
high in fat and
cholesterol
is caused by
Fat, cholesterol and other substances forming
plaque on the arteries, narrowing them and
making it harder for blood to flow through.
Anti-inflammatory medications/drugs inhaled or taken orally.
d. What are the treatments for the ailment mentioned in ‘a’?
(Accept all possible answers.)
The person could lose consciousness. / The person could die.
c. What could happen if the person suffering from an attack of the ailment
mentioned in ‘a’ is not treated?
(Choose any two. Accept all possible answers.)
Tobacco smoke, house dustmites in bedding/carpets, pollen grains of flowers
b. Name two common triggers for the ailment mentioned in ‘a’.
Asthma
a. If a person has difficulty breathing because of a reaction to a trigger, what
ailment might this person have?
Answer the following questions.
What If Our Respiratory and
Circulatory Systems Break Down?
Consolidation Worksheet
Name:
Body Systems: Circulatory and Respiratory
Answers to Additional Teacher’s Resources
Z
Class:
Date:
[1 mark]
Y
and waste. (Choose one answer.)
easily into the cells. / To exchange carbon dioxide
To allow digested food, oxygen and water to pass
d. Stateonefunctionofthethinwallsinthebloodvessels
you mentioned in ‘c’.
[1 mark]
Z
[1 mark]
How are thin walls in
blood vessels useful?
Hint:
c. Which of the blood vessels, X, Y or Z, has the thinnest walls?
X
b. Which of the blood vessels, X, Y or Z, carries blood from the heart to the lungs
to pick up oxygen?
[1 mark]
Y
a. Which of the blood vessels, X, Y or Z, transports blood rich in carbon
dioxide?
X
The picture below shows some blood vessels.
Process skills: Observing, Comparing, Analysing
Exam Practice
Name:
Body Systems: Circulatory and Respiratory
Answers to Additional Teacher’s Resources
Chapter 1
84
© 2012 Alston Publishing House Pte Ltd
Chapter 1:
Body Systems: Circulatory and Respiratory
ArteryA type of blood vessel with thick walls that transports blood away
from the heart
Body Systems:
Circulatory and
Respiratory
Glossary
Blood vesselA hollow tube that transports blood throughout the body
CapillaryA type of small blood vessel with thin walls that allow the
exchange of materials between blood and cells
Circulatory systemA system made up of the heart, blood vessels and blood which
works together with the respiratory system to ensure that all the
cells in the body receive sufficient oxygen for respiration to occur
DiaphragmA layer of muscle just below the ribcage which contracts when
we breathe in and expands when we breathe out
Exhale
To breathe out
HaemoglobinA substance in blood which transport oxygen to cells all over the
body and gives blood its red colour
Heart
A muscular organ which pumps blood all over the body
Inhale
To breathe in
LungAn organ which allows oxygen from the air to enter the body and
into the blood, and carbon dioxide in the blood to leave the body
into the air
PlaqueHard structures formed by the deposition of fat, cholesterol and
other substances in the walls of arteries
Respiratory systemThe system made up of the nose, windpipe and lungs that allows
the exchange of gases between our body and the air
VeinA type of large blood vessel with thin walls that collects blood
from the body and transports it back to the heart
WindpipeA tube which connects our nose and mouth to our lungs and
allows air to pass through it
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
85