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SAI International School
                                            Subject- Biology, Class-VII
                                      Topic- Transportation and Excretion
                                Subtopic- Excretory System of Human Beings
                                                       Module- 22
                                                        Mind Map













                                                                   Human
                                                                  excretory
                                                                   system







                                                                                            Urinary
                                         Kidneys                   Ureters
                                                                                            bladder









                            Nephron                   Diseases
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