Example: "A stream of people emptied from the terminal"
Example: "Two streams of development run through american history"
Example: "The women were sickly and subject to excessive menstruation"
Example: "The crowd flowed out of the stadium"
Example: "Water flowed into the cave"
Example: "The artist flowed the washes on the paper"
Example: "The champagne flowed at the wedding"
Example: "She started menstruating at the age of 11"