| Both male and female of the human species have twelve ribs, although it is possible for either male or female to have an extra rib--but this is rare.
J.
<span style='color:purple'><span style='font-size:8pt;line-height:100%'><span style='font-family:Times'>The Jacobs Learning Quotient: The speed of the brain is inversely proportional to the speed of the mouth squared.</span></span></span> |