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IB Biology SL C3.1.3 Integration of Organs Questions

Explore how liver, gall bladder, pancreas and small intestine coordinate through ducts, portal blood and secretin-driven bicarbonate to digest food and regulate nutrients in IB…

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Draw or interpret liver, gall bladder, pancreas and small-intestine duct connections, including the bile and pancreatic ducts joining before the intestine.
  • Explain how blood plasma and hepatic portal transport carry absorbed nutrients and pancreatic hormones between digestive organs and the liver.
  • Relate secretin and pancreatic bicarbonate or dual hepatic blood supply to coordinated digestion and rapid glucose regulation.

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Study C3.1.3—Integration of organs conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL C3.1.3 Integration of Organs Questions question 1

[Maximum number: 2]

Draw a labelled diagram showing the interconnections between the liver, gall bladder, pancreas and small intestine.

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