Mary Ware Dennett,
The Sex Side of Life: An Explanation for Young People
“ The man's special sex organ or penis, becomes enlarged and stiffened, instead of soft and limp as ordinarily, and thus it easily enters the passage in the woman's body called the vagina or birth-canal, which leads to the uterus or womb, which as perhaps you already know is the sac in which the [Pg 9] egg or embryo grows into a baby. ”
