Surahammar is a municipality in central Sweden, in the county of Västmanland. The municipality covers an area of 344.6 km². Of the total population of 10340, 5266 are male, and 5074 are female. The population density of the community is 30 inhabitants per km².
... as a passage for sperm.
The external urethral sphincter is the skeletal muscle that allows voluntary control over urination.
In the human female, the urethra is ...