Question

Help Me Please

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​

Answer 1

D

Step-by-step explanation:

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