Page 36 - SK Year 5 Science DLP
P. 36
HUMAN BLOOD CIRCULATORY SYSTEM
Donating blood is
Are you ill, dad? a noble act to help
those who are in need.
Observe this blood bag.
Oh, I’m not! I’m
just donating blood.
The blood circulatory system plays an important role in our body.
This system transports oxygen, nutrients, water, and waste products
such as carbon dioxide.
The main parts involved in the human blood circulatory system are
the heart, blood vessels, blood, and the lungs.
Let’s look at the function of
each main part involved in the
blood circulatory system.
HAWA
The heart is an organ that pumps blood to the lungs left side
and the whole body. Every time the heart beats, blood
is pumped in and out of the heart. The heart has two
sides. The left side of the heart pumps blood that is rich right side
in oxygen to the whole body. Meanwhile, the right side
of the heart pumps blood that is rich in carbon dioxide to
the lungs. cross section
of the heart
TEACHER'S Blood rich in oxygen is shown in red. Blood rich in
NOTE carbon dioxide is shown in blue.
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2.2.1

