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IB Biology HL C3.1.3 Integration of Organs Questions

Explore how hepatic vessels, sinusoids, portal nutrients and digestive hormones integrate liver storage, blood transport and organ regulation in IB Biology HL C3.1.3.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Trace hepatic artery and hepatic portal-vein blood through liver sinusoids to the hepatic vein, identifying how organ connections integrate nutrient transport.
  • Explain how portal nutrients and pancreatic or gastric hormones reach the liver and regulate storage, release and digestion across organs.

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

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

[Maximum number: 1]

Why do nutrient molecules enter the blood?

A

Blood carries nutrients to cells.

B

Blood converts nutrients into energy.

C

Nutrients and oxygen are mixed by blood.

D

Nutrients are stored in blood.

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