It has two upper chambers called the “atria” and two lower chambers called “ventricles”. The left and right ventricles of the heart are separated by the septum.
Heart
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Receives oxygen - rich blood
Left Atrium
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It carries the blood from the heart to the different body cells
Arteries
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It carries blood back to the heart
Veins
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It forms a network, connecting the arteries and vessles
Capillaries
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Is a fluid that distributes the nutrients, oxygen, and waste products