Composition消化系统组成 Digestive tract消化管 Mouth口腔 Pharynx 咽 Superior digestive tube Esophagus食管 上消化道 Stomach胃 Duodenun十二指肠 Jejunum空肠 Small intestine小肠 Inferior digestive tube leum回肠 下消化道 Large intestine大肠 Digestive gland消化腺:大消化腺,小消化腺 Major salivary glands大唾液腺 Liver肝 Pancreas胰 Function: ingestion, digestion, absorption, egestingComposition 消化系统组成 Digestive tract 消化管 • Mouth 口腔 • Pharynx 咽 • Esophagus 食管 • Stomach 胃 • Small intestine小肠 • Large intestine 大肠 Duodenum 十二指肠 Jejunum 空肠 Ileum 回肠 Digestive gland 消化腺：大消化腺，小消化腺 Superior digestive tube 上消化道 Inferior digestive tube 下消化道 • Major salivary glands 大唾液腺 • Liver 肝 • Pancreas 胰 Function: ingestion, digestion, absorption, egesting