Redirected from 691 BC
Decades: 740s BC 730s BC 720s BC 710s BC 700s BC - 690s BC - 680s BC 670s BC 660s BC 650s BC 640s BC
Significant People
... muscle that allows voluntary control over urination. In the human female, the urethra is about 1-1.5 inches (25-38 mm) long and opens in the vulva between the ...