Sobibor was a Naziextermination camp that was part of Operation Reinhard. Jews, Soviet POWs, and possibly Gypsies were transported to Sobibor by rail, and suffocated in gas chambers that were fed with the exhaust of a diesel motor. About 260,000 people were killed in Sobibor.
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The external urethral sphincter is the skeletal muscle that allows voluntary control over urination.
In the human female, the urethra is about 1-1.5 inches ...