Physical digestion — Easy
Recall and familiar applications. Optional hints help you find a first step.
Includes extension practice
Physical-digestion principles are required under official B7.3 Digestion. Tooth anatomy, detailed tooth types and bile emulsification in this shared set add content beyond this combined course.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0653 syllabus2028–2029 · B7.3.1–7;B7.2.2
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