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 type of chewing tobacco. It consists of shredded tobacco leaf, usually sweetened and sometimes flavored, and often sold in a sealed pouch weighing on average 3oz. Loose leaf chewing tobacco has a sticky texture due to the sweeteners added. Common loose leaf chewing tobaccos include Red Man, Levi Garrett, Beechnut, and Stoker's. Plug chewing tobacco is pressed tobacco leaves into a square, brick-like mass of tobacco. From this, bites are taken from the plug, or can also be cut off and then chewed. Plug tobacco is declining in popularity, and thus is less readily available than loose leaf chewing tobacco.