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Lower chamber of the heart
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Small blood vessel that allows nutrient exchange
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The part of the cardiac cycle during which the heart refills with blood after the emptying done during systole
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The last stage of a heart beat. It happens right after diastole, when the heart refills with blood
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Blood vessel that moves blood away from the heart
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Upper chamber of the heart
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It circulates through our body and delivers essential substances like oxygen and nutrients to the body’s cells
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The main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries
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A muscular organ which pumps blood through the blood vessels of the circulatory system.
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Blood vessel that moves blood toward the heart
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