Explore how sucrose is actively loaded into the phloem at the source, how osmosis creates hydrostatic pressure, and how mass flow drives translocation to the sink.
Explore how water moves from roots to leaves through the xylem via transpiration, tension, cohesion, and adhesion.
Identify the three phases of the cardiac cycle and the valve events that maintain unidirectional blood flow.
Explore how haemoglobin loads and unloads oxygen — and how the Bohr effect shifts the curve under different conditions.
Visualise how tissue fluid forms and is reabsorbed — and predict what goes wrong in high blood pressure and low plasma protein conditions.
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