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HEART

                                                                      HEART

                  IN human heart there are total 4 chambers an the the chambers are named artery
                  & ventricle.and there are 2 artery and 2 ventricle and The left artery and left ventricle
                  are separated by a layer called spectum  and the left artery and the left ventricle have                               impure blood and right artery ang right ventricle consist of pure blood 

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