THE SCIENCE EXPLORER SERIES《SYSTEMS》LEVEL 4 ~ A VISIT TO A GIANT'S DIGESTIVE SYSTEM

THE SCIENCE EXPLORER SERIES《SYSTEMS》LEVEL 4 ~ A VISIT TO A GIANT'S DIGESTIVE SYSTEM
The mouth breaks up food so that it can pass through the digestive system easily. It is easier for food that has been masticated to mix with digestive juices during digestion.
Digestion starts in the mouth with the secretion of saliva. Saliva contains amylase which helps digestion. It breaks down starch into maltose.

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