Physical digestion — Normal
Apply the topic independently and explain your method. No hints during the test.
Includes extension practice
Physical digestion and bile emulsification are required under official B7.3 Digestion. Detailed tooth types and tooth anatomy in this shared set add content beyond that list.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0654 syllabus2028–2029 · B7.3.1–9
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