Archive for January, 2020

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How The Circulatory System Works

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Monday 13th January 2020 LC: To sustain and develop ideas logically in non-narrative writing How The Circulatory System Works. The human circulatory system is made up of the heart, blood vessels (veins and arteries) and the lungs. The heart sends nutrients and oxygen to the blood. The veins will return the deoxygenated blood back to […]

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