|
|
1
|
proteins that help break down big molecules
|
4
|
reactions break food down
|
5
|
hollow organ
|
6
|
waves of muscular contractions
|
7
|
fingerlike projections
|
8
|
thin layer of liquid
|
9
|
tube connected to stomach
|
10
|
tube that connects to mouth and stomach
|
|
|
|
|
2
|
physically breaks down food into little pieces
|
3
|
beginning of the digestive tract
|
|
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