B. Label tho following on the diagram of the digetive syatem: mouth, tongue, tooth, sublisgal salivary gland, esephagus. liver, gallbladder, doodenum (of small intestine), large intestine, small intestine, anal canal, rectum, pencreas, slomach, phanvis. submandibular aliviry gtand, perutid ativary glend. .