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                                    Explain the systematic working of heart | 
                            
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Answer»  In the SYSTEMIC CIRCUIT, oxygenated blood leaves the body via the left VENTRICLE to the aorta, and from there ENTERS the arteries and capillaries where it SUPPLIES the body's tissues with oxygen. Deoxygenated blood returns via veins to the venae cavae, re-entering the heart's right atriumExplanation:hope it helps youplease mark me as brainlist  | 
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