The Human Digestive System - English Microscope Slides is a slides set from 3B Scientific and manufactured in Germany. This set of 11 Microscope Slides details the human digestive system.1(e). Lip, human fetus, t.s.2(f). Tooth, developing, human fetus, l.s.3(d). Tongue, cat, t.s. 4(e). Sublingual gland, human, t.s.5(d). Esophagus of rabbit, t.s.6(c). Stomach, human, pyloric region, t.s.7(e). Small intestine of cat, t.s. stained for goblet cells (PAS-HE)8(e). Appendix, human, t.s.9(e). Colon (large intestine), human, t.s.10(e). Pancreas, human, t.s. with islets of Langerhans11(e). Liver, human, t.s. The Microscope Slides are best used for student education on the human digestive system. The Set weighs 0.42 lbs.