Circulatory system module

Pump, Circulate, Survive! Page
Arnel S. Miraflor, Ed.D.

Least Mastered Learning Competencies
Analyze and appreciate the functional relationships of the different organ systems in ensuring
animal survival.
Subtasks
1. Identify the different parts and functions of
circulatory system;
2. Describe the circulation of blood to and
from the heart;
3. Appreciate the importance of the heart in
the human body and its significance on the
overall function of the other organ systems
of the body.
Task Analysis
1
Guide Card 1
Hi! I am Hearty; our
topic is all about the
different organs of
Circulatory System.
Hello I am Bloody. I have a little
knowledge about Circulatory
system; can you please help me for
better understanding of this topic?
Sure! I will assist
you in learning
the circulatory
system.
Yeheeeey!
Thank you. I
am so excited.

Our body is made up of
different system and one of
these systems is our circulatory
system which has a very
important task in our well
being.
Guide Card 2
Wow! Amazing! Now I am
more interested to learn about
the circulatory system.
2
1) Blood vessels are found in almost
every part of the body.
2) If laid end to end, your blood
vessels would stretch out to about
161,000 km! (About 4 times the
distance around the equator!)

Arteries Veins Capillaries
Carry oxygen rich blood from heart to
all parts of the body.
Carry carbon dioxide rich
blood from all parts of the
body back to the heart.
Capillaries act as a link between arteries and veins.
Since blood flow is rapid and at high
pressure they have thick elastic walls.
They have thin walls. Consists of just a single layer of endothelial cells. Water and other
small –molecular substances can pass through this wall.
Valves are absent. Valves present to prevent back
flow of blood.
These are the
different blood
vessels and their
functions.
Guide Card 3
3

Guide Card 4
Blood is the transport tissue in your
body. It carries needed materials
to the cells and carries waste
materials away from the cells.
The three kinds of blood cells that
make up the solid part of blood
are: red blood cells, white blood
cells, and platelets.
Red blood cells contain
hemoglobin. Hemoglobin is red
and gives blood its color. It links up
with oxygen and carries this
oxygen to all parts of the body.
The same hemoglobin in the red
blood cells also picks up most of
the carbon dioxide waste that is
made by the cells.
White blood cells are larger than
red blood cells fight infection and
disease. They destroy harmful
bacteria, viruses and other small
invaders.
Platelets are pieces of cells that
are small and colorless. They help
to stop bleeding by giving off a
chemical that helps blood to clot.
Red blood
cell
Plasma – liquid part of the blood. A dilute solution of salts,
glucose, amino acids, vitamins, urea, proteins and
fats.
White blood cells – involved in immune system.
Platelets – involved in blood clotting.
Red blood cells – involved in carrying oxygen.
Contain haemoglobin, a
molecule specially designed
to hold oxygen and carry it to
cells that need it.
Can change shape to an amazing
extent, without breaking, as it
squeezes single file through the
capillaries.
A biconcave disc that is
round and flat without a
nucleus.
4

White blood cells: help fight disease and infection by
attacking germs that enter the body.
Platelets: help blood form a clot at the site of a wound.
A clot seals a cut and prevents excessive blood loss.
Guide Card 5
Wow!
Amazing!
Platelets
White blood cell
5

Place your hand on your chest (center) and feel your beating heart.
Your heart is keeping you alive! It is made mostly of muscle tissue
and pumps blood to all parts of your body.
The human heart is divided into four separate parts called
chambers. There are two upper chambers and two lower chambers.
The upper chambers of the heart are called the right and left atria.
The singular of atria is atrium.
The right atrium receives blood from all parts of the body. Blood in
the right atrium is high in carbon dioxide and low in oxygen. Find the right
atrium in Figure A.
The left atrium receives blood from the lungs. Blood in the left
atrium is high in oxygen and low in carbon dioxide. Find the left atrium in
Figure A.
Both atria fill with blood at the same time. The lower chambers of
the heart are the ventricles. The ventricles pump blood out of the heart.
The right ventricle pumps blood to the lungs. This blood is high in
carbon dioxide and low in oxygen.
The left ventricle pumps blood to all parts of the body. Blood in the left
ventricle is high in oxygen. It is low in carbon dioxide.
Both ventricles pump blood out of the heart at the same time.
Every time your heart beats, blood is being forced out of the
ventricles.
The heart and veins have valves that keep the blood from flowing
backward. A valve is a thin flap of tissue. Find the valves in Figure A.
A muscular wall divides the right side of the heart from the left side. This
wall is called the septum. This is necessary to separate oxygen rich blood
from oxygen poor blood. Find the septum in Figure A.
Guide Card 6
Figure A
Do this and learn
6

Route of blood from body to heart to lungs to heart to body
1. Oxygen-poor blood (blue tubes) enters the heart from
the body through two large veins.
2. Both bring the oxygen-poor blood to the right atrium.
3. When the atrium contracts, the oxygen-poor blood
travels through a valve to the right ventricle.
4. The right ventricle then contracts and forces the blood
through another valve and through the right lung artery
and left lung artery.
5. The right lung artery carries the oxygen-poor blood to the
lungs to pick up oxygen and drop off carbon dioxide. The
left lung artery does the same, except it travels to the left
lung.
6. Now the blood returning to the heart from the lungs is
oxygen rich. It enters the left atrium through the left lung
vein and the right lung vein.
7. The oxygen-rich blood passes to the left ventricle. The left
ventricle contracts and the blood is forced through
another valve to the large artery called the aorta.
8. The aorta will bring the oxygen-rich blood to the rest of
the body.
9. Once the blood reaches the tissue, it will drop off oxygen
and pick up carbon dioxide. The blood is now oxygen-
poor and returns to the heart through the vena cava and
the cycle continues.
Guide Card 7
Circulatory System Diagram
Wow!
Interesting!
7
How does Circulatory System Works?

1. Oxygen-poor blood (blue tubes) enters the
heart from the body through two large veins.
2. The upper vena cava brings in blood from the
upper body while the lower vena cava brings
in blood from the lower body. Both bring the
oxygen-poor blood to the right atrium.
3. When the atrium contracts, the oxygen-poor
blood travels through a valve to the right
ventricle.
4. The right ventricle then contracts and forces
the blood through another valve and through
the right lung artery and left lung artery.
5. The right lung artery carries the oxygen-poor
blood to the lungs to pick up oxygen and
drop off carbon dioxide. The left lung artery
does the same, except it travels to the left
lung.
6. Now the blood returning to the heart from the
lungs is oxygen rich. It enters the left atrium
through the left lung vein and the right lung
vein.
7. The oxygen-rich blood passes through a valve
to the left ventricle. The left ventricle contracts
and the blood is forced through another valve
to the large artery called the aorta.
8. The aorta will bring the oxygen-rich blood to
the rest of the body.
9. Once the blood reaches the tissue, it will drop
off oxygen and pick up carbon dioxide. The
blood is now oxygen-poor and returns to the
heart through the vena cava and the cycle
continues.
This how Blood circulates from body –heart-lungs-heart-body
Wow!
Amazing!
Guide Card 8
8

3
Instruction: Fill in the Blanks – Choose a word from the word pool for each blank. Some words may be used more than once. Some words
may not be used at all. Write you answer on the space provided.
Veins capillaries arteries heart
Blood vessel plasma platelets
red blood cells hemoglobin white blood cells
1. ____________________ carry blood away from the heart.
2. The structures in the blood that are used to fight disease are called _______________________.
3. The substance in the blood that gives it its red color is _______________________.
4. The name given to any tube that carries blood is a(n) _______________________.
5. The straw-colored part of the blood that is made up mostly of water is ____________________.
6. ________________________ carry hemoglobin that binds to oxygen and picks up waste carbon dioxide.
7. The smallest blood vessels are ___________________________.
8. The pumping organ of the human body is the ____________________.
9. The part of the blood that helps a wound to stop bleeding is the ______________________.
Be careful
with your
answer.
Good luck!
Activity Card 1
Guide Card
9

Column A Column B
________ 1. Circulation a) carry blood away from the heart
________ 2. Heart b) pumps blood
________ 3. Arteries c) connect arteries and veins
________ 4. Veins d) transport of materials in living things
________ 5. Capillaries e) carry blood back to the heart
Direction: Match each term in Column A with its description in Column B.
Write the correct letter in the space provided.
Good
luck!
Activity Card 2
Guide Card
10

Circulation
Complete each statement using a term or terms from the list below. Write your answers in the spaces provided. Some words may be used
more than once.
1. The transport of materials in living things is called __________________.
2. In humans, circulation is carried out by the liquid called ___________________.
3. Blood is pumped by the ____________________.
4. Blood brings to cells things like ____________________ and __________________.
5. Blood picks up ___________________ from the cells.
6. Any tube that carries blood is called a(n) _______________________.
7. The three kinds of blood vessels are _________________, _______________, and _______________.
8. Blood is carried away from the heart by ___________________.
9. Blood is carried back to the heart by _____________________.
10. Arteries and veins are connected by tiny blood vessels called ______________________.
Heart circulation oxygen veins food
Capillaries arteries blood vessel waste materials blood
Activity Card 3
Guide Card
Wow! You’re
doing great.
11

Figure B shows what blood is made up of. Study Figure B, then answer the questions.
Write your answer on the blank.
1. What percent of blood is liquid? _________
2. What is the name of the liquid part of blood? __________________
3. a) The liquid part of blood is made up mostly of _________________. (Hint – look back to
the reading.)
b) What percent? _______.
4. All of the blood cells together make up _______% of blood.
5. Red blood cells make up _______% of blood; white blood cells make up ______ %.
Best of luck!
You can do it!
Activity Card 4
Guide Card
Figure B.
12

Direction: Choose the letter of the best answer. Write your answer on the space provided before the number.
1. The system responsible for transporting blood around the body is :
A. Urinary system B. Circulatory system C. Lymphatic system D. Digestive system
2. Identify the vessel below that is NOT a part of the circulatory system :
A. Artery B. Bronchiole C. Capillary D. Vein
3. As a general rule, arteries carry:
A Urine B. Lymph fluid C. Oxygenated blood D. Deoxygenated blood
4. As a general rule, veins carry:
A. Urine B. Lymph fluid C. Oxygenated blood D. Deoxygenated blood
5. The heart is made up of which type of muscle :
A. Skeletal muscle B. Smooth muscle C. Cardiac muscle D. None of the above.
6. The left side of the heart is responsible for pumping :
A. Oxygenated blood to the body B. Oxygenated blood to the lungs
C. Deoxygenated blood to the body D. Deoxygenated blood to the lungs
7. The chambers of the heart are known as :
A. Ventricles and areas B. Ventricles and cavities C. Atria and cavities D. Atria and ventricles
8. The structures in the lungs where gas exchange occurs are called :
A. Atria B Alveoli C. Ventricles D. Bronchi
9. The red liquid that flows through the bodies of animals that circulates in the heart, arteries, capillaries, and veins carrying
nourishments and oxygen to and bringing away waste products from all parts of the body.
A. Platelets B. plasma C. Red blood cell D. White blood cells
10. The part of the blood that helps in stopping blood from flowing in an open wound.
A. RBC B. WBC C. Platelets D. Red Band Aid
Good
job!
Assessment Card 1
13

Direction: Write the correct term in each blank to answer the questions or complete the sentence.
1. What pumps blood through your body? ________________________
2. Blood vessels that carry blood away from the heart are called _____________________________________________
3. Vessels that carry blood back to the heart are called ______________
4. Blood moves from arteries to veins through tiny blood vessels called ________________________
5. The heart, blood vessels and blood make up the _____________________________.
Assessment 2
1Card
You’re the
best!
Hooray!
14

Heart Cutouts
Materials: scissors, transparent tape, pencil, fastener (please see attached enclosure.
Instructions
1. Cut out the following three sheets of heart parts.
2. Hole punch the black dots found on some pieces. Be sure to leave the numbers behind!
3. Fold the tab on the outside view of the heart along the dotted line. Tape this under the view of the inside of the heart. If you have done
this properly, you should be able to turn back the view of the outside of the heart to reveal the inside of the heart.
4. Using a pencil, label the following: right atrium, right ventricle, left atrium, left ventricle, septum, valve.
5. As you read the following passage to trace the blood flow through the heart, assemble your heart as instructed.
Oxygen-poor blood enters the heart from the body through two large veins. The upper vena cava brings in blood from the upper
body while the lower vena cava brings in blood from the lower body. Both bring the oxygen-poor blood to the right atrium. Use your brass
fasteners to attach the upper vena cava and lower vena cava to the inside of the heart. Note how they connect to the right atrium.
When the atrium contracts, the oxygen-poor blood travels through a valve to the right ventricle. The right ventricle then contracts
and forces the blood through another valve and through the right lung artery and left lung artery. The right lung artery carries the oxygen-
poor blood to the lungs to pick up oxygen and drop off carbon dioxide. The left lung artery does the same, except it travels to the left lung.
Use your brass fasteners to attach the right lung artery and left lung artery to the inside of the heart. Note how they connect to the left
ventricle.
Now the blood returning to the heart from the lungs is oxygen rich. It enters the left atrium through the left lung vein and the right
lung vein. Use your brass fasteners to attach the right lung vein and left lung vein to the inside of the heart. Note how they connect to the
left atrium.
The oxygen-rich blood passes through a valve to the left ventricle. The left ventricle contracts and the blood is forced through
another valve to the large artery called the aorta. The aorta will bring the oxygen-rich blood to the rest of the body. Use your brass fastener
to attach the aorta to the inside of the heart. Note how it connects to the left ventricle.
Once the blood reaches the tissue, it will drop off oxygen and pick up carbon dioxide. The blood is now oxygen-poor and returns to
the heart through the vena cava and the cycle continues.
Enrichment Card 1
15
6
Be careful
and
goodluck

sy
Based on what you have learned from previous cards, answer the following questions below:
1. Which chamber receives blood from all the body veins? ___________________________________.
(Right Atrium OR Right Ventricle)
2. a) The blood passes from this chamber into the __________________________________________.
(Valve OR Artery)
b) While this is happening, the valve between the right atrium and right ventricle is ______________.
(open OR closed)
3. The blood in the right ventricle is high in ___________________________ and low in ___________
(oxygen OR carbon dioxide) (Oxygen OR carbon dioxide)
4. The body __________________ use this blood.
(can OR cannot)
5. Where must this blood go to get a fresh supply of oxygen? _______________________ .
(Lungs or Liver)
Enrichment Card 2
Best of luck!
You can do
it!
16

http://www.horizonsd.ca/Services/Curriculum/Documents/Biology%20C%-%20Lesson % 201
%20-%20CirculatorySystem.pdf. Retrieved: September 11, 2019. 9:00pm
https://www.wasatch.edu/cms/lib/UTO1000315/Centricity/Domain/631/cardiovascular%
test.pdf. Retrieved: September 11, 2019. 10:00pm
Reference Card
Card
17

Answer CardActivity 1
1. Arteries
2. White blood cell
3. Hemoglobin
4. Vessel
5. Plasma
6. Red Blood cell
7. Capillaries
8. Heart
9. platelets
Activity 2
1. D
2. B
3. A
4. E
5. C
Activity 3
1. Circulation
2. Blood
3. Heart
4. Oxygen, food
5. Waste materials
6. Blood vessel
7. Arteries, veins, capillaries
8. Artery
9. Vein
10. capillaries
Activity 4
1. 55%
2. Plasma
3. Urea/ amino
acids/fats,
proteins/ salt/
glucose, 55%
4. 45%
5. 43% , 2%
Assessment 1
1. B
2. B
3. C
4. D
5. C
6. A
7. D
8. B
9. C
10. C
Enrichment
1. Right atrium
2. a. valve b. open
3. a. Carbon dioxide
b. Oxygen
4. Cannot
5. Lungs
Assessment 2
1. Heart
2. Arteries
3. Veins
4. Capillaries
5. Circulatory
system
Congratulations!
You did it!
Hoooraaaay!
18

How well did you learn from this lesson?
I fully understand the concepts and their applications.
( My score is _________)
I partially understand the concepts and their Applications
( My score is _________ )
I still do not understand the concepts and their applications
( My score is _________)
My Score
__________
55
19
Score Equivalent Description
42-55 Excellent
28-41 Very Good
14-27 Good
0-13 Poor

Circulatory system module

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