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Cardiovascular system (Path of blood through the heart: (1.Vena cavae…
Cardiovascular system
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Veins:Carry blood at low pressure.Have valves to prevent back flow
of blood against gravity.carry de-oxygenated blood.
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Atria, ventricles and valves
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Ventricles:thicker walled, very muscular, pump blood long
distances. Left pumps farther, has thicker walls than right.
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