Digestive System Information and Facts
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digestive system Functions of the Digestive System · Ingestion Food must be placed into the mouth before it can be acted on; this is an active, voluntary
Digestive System Special 28m 48s immune system The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine and push the mixture forward to help with further
ปริมาณ:
digestive system Functions of the Digestive System · Ingestion Food must be placed into the mouth before it can be acted on; this is an active, voluntary
excretory system Digestive System Special 28m 48s
The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine and push the mixture forward to help with further