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The blood will become deoxygenated and will pass through the veins back to the heart.

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Cells will use oxygen and will give off carbon dioxide.

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Oxygenated blood will pass through the arteries to the capillaries and be diffused to the cells.

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Oxygenated blood will be distributed to all parts of the body through the arteries

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The left ventricle will contract allowing the oxygenated blood to be pumped to the aorta and leaves the heart

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The left vetricle contracts and the left atrium relaxes to prevent backflow of blood the mitral valve will close.

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When the mitral valve opens, oxygenated blood will now flow to the left vertricle

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The left atrium will contact allowing the mitral valve to open.

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Oxygenated blood from the lungs passes through the pulmonary veins going to the left atrium.

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Deoxygenated blood becomes oxygenated blood

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Deoxygenated blood enters the lungs and passes through its capillaries. Oxygen will diffuse from the alveoli to the blood while carbon dioxide will diffuse from the blood to the alveoli.

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The pulmonary valve will open allowing the blood to pass through the pulmonary arteries that are attached to each lobe of the lungs.

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Right atrium contacts to receive the deoxygenated blood. The tricuspid valve will open allowing the blood to enter the right ventricle.

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Deoxygenated blood from the different parts of the body has carried to  the veins and enters the hearts through the Superior vena cava and Inferior vena cava

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Circulatory and Respiratory systems work together to transport oxygen-rich blood/deoxygenated and nutrients to the different parts of the body

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Respiratory and Circulatory systems work together to supply the body with oxygen and get rid of waste carbon dioxide.