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The Digestive System involve: mouth, stomach and small intestine.---Mouth:

--teeth:

To chew and grind food into smaller pieces.

--tongue:

-To roll the chewed food in to a ball and push it down to the gullet. (swallow)

-To mix the food with saliva.

--saliva:

-soften & moisten the food.

-break down food in to simplier substences. Because it contain digestive juices.

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---Stomach: (stay for 4 hours)

-made of muscules

-contain digestive juices

-mix food with digestive juice

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---Small intestine: (stay for 4 hours)

-contain more digestive juices.

-break down food into simplier substences.

-absorb the digested food. (nutrients)

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Obie Bradtke

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2y ago

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