Chapter 3, Lesson 2 - The Digestive System - Murrieta Valley Unified ...

Lesson 2 ? The Digestive System

Digestion: breaking down food into simpler substances that your body can use

1. Your teeth break down food into smaller pieces.

2. Saliva in your mouth helps break down food into nutrients (food your cells can use).

3. The process continues in other organs.

4. The nutrients pass into your blood, and the blood carries them to your cells.

Mouth

The

Digestive

Esophagus System

Stomach Small Intestine Large Intestine

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