Question

со
blood
The heart is made of ....
rhythmicals: pumping blood around the
the heart that make sure the blood keeps flowing in
3.2 The diagram represents the circulatory system.
brain
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F
E
A
D
lefts
pun
orgar
lungs
right side of heart
pumps blood to lungs
and back
B
digestive system
muscles
other organs
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a Write down three letters that show arteries,
b Write down one letter that show
.​

Answer 1

Explanation:

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Answer 2

Answer:

The heart is made up of four chambers.

The inside of the heart is divided into four chambers. The upper two chambers are called the right atrium and the left atrium. The two lower chamber are called the left ventricle and right ventricle.

Explanation:

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