Circulatory systems — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
The pump, vessels and one-way valves are required. Fish single circulation, mammalian double circulation and its advantages go beyond this course’s listed circulatory-system outcome.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0653 syllabus2028–2029 · B9.1.1
Loading your saved test…