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The human digestive system is approximately 900 cm long. Food is moved through the digestive tract. primarily by-
A- hydrochloric acid in the stomach
B- the enzymes amylase and pepsin
C-bile produced by the pancreas
D- muscular contractions​

User Donnett
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1 Answer

4 votes

Answer:

D

Step-by-step explanation:

the movement of your digestive system is through muscles within your wall that contract to push food down.

User Tom Verhoeff
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