The flow of the heart 1
The flow of the heart 2
The flow of the heart 3
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Describe step 1

Step 1) Inferior Vena Cava/Superior Vena Cava. 

The Inferior Vena Cava carries deoxygenated blood from the lower body to the heart. The Superior Vena Cava carries deoxygenated blood from the upper body to the heart

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Describe step 6

Step 6) Pulmonary Arteries

The pulmonary arteries carry deoxygenated blood from the heart (right ventricle) to the lungs.

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Describe step 11

Step 11) Left Ventricle

The left ventricle carries oxygenated blood from the left atrium to the aorta. It is the lower chamber on the right side of the heart.

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Describe step 2

Step 2) Right Atrium.

The right atrium is the upper chamber of the heart on the left side. It carries oxygen-poor blood to the right ventricle.

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Describe step 7.

Step 7) Lungs

The Lungs oxygenate the blood.

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Describe step 12

Step 12) Aortic Valve

The aortic valve is the valve between the left ventricle and the aorta. 

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Describe step 3

Step 3) Tricuspid Valve

The tricuspid valve is the valve between the right atrium and right ventricle.

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Describe step 8.

Step 8) Pulmonary Vein

The pulmonary vein carries oxygen-rich blood from the lungs to the heart (left atrium).

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Describe step 13)

Step 13) Aorta

The Aorta is the largest artery in the body. It carries oxygen-rich blood from the heart (left ventricle) to the body.

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Describe step 4

Step 4) Right Ventricle

The right ventricle carries oxygen-poor blood to the pulmonary artery. It is the lower chamber on the left side of the heart.

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Describe step 9

Step 9) Left Atrium

The left atrium carries oxygen-rich blood to the left ventricles. It is the upper chamber on the right side of the heart.

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Describe step 5

Step 5) Pulmonary Valve

The pulmonary valve is the valve between the right ventricle and the pulmonary artery.

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Describe step 10

Step 10) Mitral Valve

The mitral valve is the valve between the left atrium and the left ventricle.