资讯
J. E. Morton, The Functional Morphology of the British Ellobiidae (Gastropoda Pulmonata) with Special Reference to the Digestive and Reproductive Systems, Philosophical Transactions of the Royal ...
The mammalian digestive system is based around a long tube called the alimentary canal. The alimentary canal stretches from the mouth to the anus. This breakdown is catalysed by specific enzymes ...
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