Chewing chewing, the food (now called a bolus) is swallowed. It enters the esophagus and via peristalsis continues on to the stomach, where the next step of digestion occurs. Premastication is sometimes performed by human parents for infants who are unable to do so for themselves. The food is masticated in the mouth of the parent into a bolus and then transferred to the infant for consumption. (Some other animals also premasticate.) Cattle and some other animals, called ruminants, chew food more than once to extract more nutrients. After the first round of chewing, this food is called cud. Chewing is
Chewing tobacco Some brands include Cannon Ball, Days Work, Bull Of The Woods, and Levi Garrett Plug. Historically, plug tobacco could be either smoked in a pipe or chewed, but today these are two distinct products. Twist chewing tobacco is a rope-like piece of tobacco twisted together. Unlike most loose leaf tobaccos, twist chewing tobacco is usually not sweetened. Pieces of twist are either bitten off or cut and then chewed. Some brands of twist include Cotton Boll, Cumberland, and Warren County. Twist chewing tobacco is not widely available and is mostly found in Appalachia. Historically, twists could also be smoked in