Cud stretched, forming a vacuum in the gullet that sucks the semi-liquid stomach content into the esophagus. From the esophagus it is taken back to the mouth with retro peristaltic movements. When the stomach content, or the cud, arrives in the mouth of the ruminant, it is pushed against the palate with the tongue to remove excess liquid, the latter is swallowed and the solid material is chewed thoroughly so the cattle can extract the minerals present in the cud brought to the surface during rumination. The function of rumination is that food is physically refined to expose more surface area
Chewing tobacco historian of the American South in the late 1860s reported on typical usage in the region where it was grown, paying close attention to class and gender: Chewing tobacco is still used, predominantly by young males in some parts of the American Southeast, but also in other areas and age groups. In September 2006 both the Republican and Democratic candidates for Senator from Virginia admitted to chewing tobacco and agreed that it sets a bad example for children. In the late 19th century, during the peak in popularity of chewing tobacco in the western United States, a device known as