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Circulatory System NEB Circulation: It is the circulation of internal body fluid through definite vessel through either blood vessels or lymph vessels.…

Respiratory System  Respiration   Respiration can be defined as biochemical process by which foods are oxidized to liberate energy. Overall respira…

Reproductive System  Human reproductive system ,  organ  system by which  humans   reproduce  and bear live  offspring  . ·          Male Reproductive …