Define race, define ethnicity. Two races, two ethnicities: Give two examples.
One cultural practice that springs to mind when thinking of the Japanese is the courtesy bow. It can be used as a way to greet or express gratitude. This gesture involves bending slightly at the waist while placing palms together in front of one’s face as a sign of respect; this custom has been around since ancient times and although it is no longer required it remains largely part of traditional culture today due its historical significance.