Closed circulatory system is a type of circulatory system in which blood flows inside the blood vessels which helps to prevent the mixing of blood with other tissue fluids. Closed circulatory system is normally seen in higher animals like fishes mammals etc. Where as in insects the circulatory system is open type.
Components of closed circulatory system
It consists of heart to pump the blood, blood vessels like’s arteries to receive oxygenated blood and veins to receive deoxygenated blood the cells and carry them to the heart. From the heart the deoxygenated blood goes to the lungs and from their oxygenated blood reaches the heart through the blood vessels.
Heart, lungs, blood vessels like arteries and veins.
Generally arteries receive oxygenated blood from the heart and veins bring the deoxygenated blood the heart. But pulmonary artery carries deoxygenated blood away from the heart from right ventricle and the pulmonary vein brings oxygenated blood from the lungs to the left atrium.
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