What was the nazi response to deaths within the ghetto?

Nazi response to deaths within the ghetto:Before sending the Jews to the Death factories to either kill them or make them work in factories, Nazis began to round up Jews from all over their territory including women and children and started rounding and collecting them up in walled ghettos. These ghettos were limited and housed as many Jews as they could. A small basic room used to house 5 to 6 families. Living conditions were poor, diseases were spreading, food was a not sufficient, and people started dying on the streets of the ghettos. However, the Nazis show no remorse or concern to any of these occurrences and instead started bringing more people to the ghettos and then started deporting them to death factories once the construction of those factories was completed.