Biology · A-Level · Edexcel · Edexcel A-level Biology B - 9BI0 · Specification point · 4.6 · Exchange and Transport
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4.6 Transfer of materials between the circulatory system and cells
| Students should: |
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i Understand how the interchange of substances occurs through the formation and reabsorption of tissue fluid, including the effects of hydrostatic pressure and oncotic pressure. ii Know that tissue fluid that is not reabsorbed is returned to the blood via the lymph system. |