
How Digestion Works
6th Grade · Science · 60 min· Ngss Ms-ls1-7
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Learning Objective
I can describe how the digestive system breaks down food into nutrients the body can use.
- 1
The four major tasks of the digestive system are ingestion, digestion, absorption, and elimination.
- 2
Saliva contains enzymes that start chemical digestion in the mouth, while teeth perform mechanical digestion.
- 3
The liver produces bile to help break down lipids, the gallbladder stores the bile, and the pancreas produces juices with digestive enzymes.


