Biologia IBPaper 1B, maj 2026, TZ1wzorowane4 pktotwarteśrednie (szac.)
(i) State the structural feature that allows some capillaries, such as those in endocrine tissues, to exchange dissolved substances particularly rapidly. (ii) Distinguish between the structures of a typical systemic artery and a vein of comparable external…
Biologia IBPaper 3, maj 2023, TZ2wzorowane6 pktotwarteśrednie (szac.)
Nutrients move from the intestinal lumen into the circulation and then reach the liver. Explain adaptations of villus epithelial cells for absorption and what can happen to absorbed nutrients in the liver.