1.人体所需的营养物质可以通过消化系统从外界获得.人体消化系统的组成包括 A.胃肠和消化腺b.口腔胃和消化道c.消化道和消化腺d.小肠 Template




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tomski1.人体所需的营养物质可以通过消化系统从外界获得.人体消化系统的组成包括 a.胃肠和消化腺b.口腔胃和消化道c.消化道和消化腺d.小肠 coloring