Centuries: 9th century - 10th century - 11th century
Decades: 850s 860s 870s 880s 890s - 900s - 910s 920s 930s 940s 950s
Years: 900 901 902 903 904 - 905 - 906 907 908 909 910
Births
Deaths
... for sperm. 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 ...