Biology - Human Body Systems - Digestive system - Digestion Step by Step

7-step journey. Step 1: 'MOUTH - Mechanical digestion: teeth chew food into small pieces. Chemical digestion: saliva enzyme (amylase) breaks down starch into sugar.' Step 2: 'ESOPHAGUS - A muscular tube that pushes food down by squeezing (peristalsis). Works even if you're upside down!' Step 3: 'STO

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Biology - Human Body Systems - Digestive system - Digestion Step by Step
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Biology - Human Body Systems - Digestive system - Digestion Step by Step

vivmagarwal
vivmagarwalJan 29, 2026

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7-step journey. Step 1: 'MOUTH - Mechanical digestion: teeth chew food into small pieces. Chemical digestion: saliva enzyme (amylase) breaks down starch into sugar.' Step 2: 'ESOPHAGUS - A muscular tube that pushes food down by squeezing (peristalsis). Works even if you're upside down!' Step 3: 'STO

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BiologyHuman Body SystemsStage 6, Grade 6, Class 7, Class 7, MYP Grade 6

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