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
Kosher animals Kosher animals Kosher animals are animals that comply with the regulations of kashrut and are considered kosher foods. These dietary laws ultimately derive from various passages in the Torah with various modifications, additions and clarifications added to these rules by Halakha. Various other animal-related rules are contained in the 613 commandments. and both give the same general set of rules for identifying which land animals (Hebrew: בהמות "Behemoth") are ritually clean. According to these, anything that "chews the cud" and has a completely split hoof is ritually clean, but those animals that only chew the cud or only have cloven