F.3 biology 消化系統 - 消化液

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By: t1706

Date Uploaded: 05/02/2018

Tags: F.3 biology

F.3 biology 消化系統 - 消化液不同消化液的成份及功能蠕動 - 讓食物和消化液混合 - 增加消化道壁與己消化的接觸，促進食物的吸收

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