The Germans treated the jews badly because Hitler thought that anyone who did not have blond hair or even blue eyes were on the lowest ranking on the social ranking and should be treated like trash. So Hitler somehow got millions of people to believe that the jews betrayed them and should be wiped off the face of the earth, in the process, they went after Gypsies, Jehova's Witness, handicapped, and homosexuals.
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
25 is the answer to this question hope this satisfies your answer. And if you want give me brainliedt.