PARTS AND FUNCTION OF CIRCULATORY SYSTEM

2. 1. The heart
pumps blood
throughout the
body.
TRUE

3. 2. Blood does
not flow in
the head.
FALSE

4. 3. The heart
beats faster after
doing heavy
work.
TRUE

5. 4. When you are
sleeping, the heart
stops beating.
FALSE

6. 5. Blood
vessels are
not connected
to the heart.
FALSE

7. Do you have any idea
what our lesson will be
all about?

8. Circulatory system

9. GUIDE QUESTIONS:
1. What is the main
function of the
circulatory system?
2. What are the parts
of it?

10. https://youtu.be/sqdcwPsfKXg

11. GUIDE QUESTIONS:
1. What is the main
function of the
circulatory system?
2. What are the parts
of it?

12. FUNCTIONS

14. HEART
• The organ that pumps blood to
the different parts of the body.
• It beats 70 – 80 times per minute
so as to distribute blood to the
different parts of the body.
• It has an alternating contraction
and relaxation movement to
send blood to all parts of the

15. BLOOD
• The red fluid that flows all
through a human body.
• It transports gases,
nutrient and other
substances different parts
of the body.
• It is the called the “river of
life”.

16. BLOOD VESSELS
• It is the road and
highway systems of
the blood.
• The tubular
passageways of the
blood.
• They are classified as
vein, capillary and
artery.

18. Concepts to remember:
The Circulatory
System consists of the
heart, blood and blood
vessels that work
together to provide
food and oxygen to
the body cells.

19. • The heart which
consists of two
chambers-auricle
and ventricle-
pumps blood to
all parts of the
body.

20. PARTS OF THE HEART

21. •The heart is about the size
of your fist.
•It is the pumping organ of
the body.
•It weighs about 10.5 ounces
(0.298 kg).
•It is located on the left side
of the chest between the

22. • The heart which
consists of two
chambers-auricle
and ventricle-pumps
blood to all parts of
the body.

24. • Right ventricle receives oxygen-
poor blood from the right atrium
(through the tricuspid valve) and
pumps it to the main pulmonary
artery to pick up oxygen in the
lungs
• Left Ventricle receives oxygen-rich
blood from the left atrium (through
the mitral valve) and pumps it to
the aorta to be distributed to the
different parts of the body

26. Concepts to remember:
• The blood consists
of three types of
cells: red blood
cells, white blood
cells and blood
platelets.

27. COMPONENTS OF BLOOD

29. Leucocytes

30. Thrombocytes
platelets

31. Concepts to remember:
• There are three kinds
of blood vessels:
arteries, veins and
capillaries, which are
the passages of blood
to and from the heart.

32. Types:

33. Fill in with the correct word to complete the dialogue .
Heart : Hello , everyone ! I am your dearest heart , I pump b_______
into the different parts of your b______.
How are you blood vessel?
Blood vessel : I am fine my dear heart. I work every now and then
because I am the p_______way of the blood.
I am a t______ organ of the body.
Blood : Yes , b________ vessel I am always thankful of you for making
a way for me every minute and every second all through out.
Blood vessel : You’re welcome blood. Is it true that you are called the
r_______ of life?
Blood : Yes , I am ! And we are the organs of the c__________ system.

34. Fill in with the correct word to complete the dialogue .
Heart : Hello , everyone ! I am your dearest heart , I pump blood into
the different parts of your body.
How are you blood vessel?
Blood vessel : I am fine my dear heart. I work every now and then
because I am the pathway of the blood.
I am a transport organ of the body.
Blood : Yes , blood vessel I am always thankful of you for making a
way for me every minute and every second all through out.
Blood vessel : You’re welcome blood. Is it true that you are called the
river of life?
Blood : Yes , I am ! And we are the organs of the circulatory system.

35. Fill in with the correct word to form the concept of the
selection.
Circulatory ___________
The __________system is made up of the
_________ the blood and the__________vessels .
The _________ is a pear – shaped muscular organ
that pumps __________ to the different parts of
the body. The __________ is a red fluids that flows
through the blood ___________so as to reach to
the different part.

36. Answer:
1. What are the different
organs of the circulatory
system?
2. What is the main function
of the circulatory system?
3. How is it important in our
body?

37. 4. What do you think will
happen if one organ of the
circulatory system will not be
functional?
5. How are we going to take
care of our organs?
6. What kind of food should
we take in so that we will have
a healthy body system?

38. Identify what organ is explained in the following
statements. Write the correct answer
________1 . The tubes through which the blood flows.
________2 . The red fluid that flows inside the blood
vessels.
________3. The organ that pumps blood to the
different parts of the body
________4. The three major organs of the circulatory
system.
________5. Known as the transport system of the
body.

39. Make a creative
journal on a
short bond paper
about the things
you have learned