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The Circulatory System

The Cardiac Cycle

January 1, 2021 thescienceandmathszone Leave a comment

The cardiac cycle consists of the hearts ventricles and atria contracting and relaxing to continuously pump blood around the body.…

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Posted in: Biology, The Circulatory System Filed under: blood, cardiac cycle, diastole, flow, heart, systole

Structure of the Heart

November 14, 2020 thescienceandmathszone Leave a comment

The diagram below shows the internal structure of the heart. The yellow arrows show the direction of blood flow through…

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Posted in: Biology, The Circulatory System Filed under: aorta, atrium, heart, structure of the heart, valve, vein, ventricle

Blood Vessels – From Arteries to Veins and Everything in Between

May 24, 2020 thescienceandmathszone Leave a comment

There are five types of blood vessels that work together to transport blood throughout the body. Blood vessels are a…

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Posted in: Biology, The Circulatory System Filed under: artery, biology, blood vessels, transport
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