why do bagels have holes in the middle
Bagel The basic roll-with-a-hole design is hundreds of years old and has other practical advantages besides providing for a more even cooking and baking of the dough: The hole could be used to thread string or dowels through groups of bagels, allowing for easier handling and transportation and more appealing seller displays.[4][5]
Abdominal cavity The omentum are specialized folds of peritoneum that enclose nerves, blood vessels, lymph channels, fatty tissue, and connective tissue. There are two omenta. First, is the greater omentum that hangs off of the transverse colon and greater curvature of the stomach. The other is the lesser omentum that extends between the stomach and the liver.[1]