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IB Biology HL B3.2.2 Artery and Vein Structure Questions

Explore how muscle, elastic tissue, collagen, lumen shape and valves adapt arteries and veins for contrasting pressure and flow conditions in IB Biology HL B3.2.2.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Distinguish arteries from veins using visible wall thickness, lumen size, elastic or muscle layers and valves.
  • Explain how artery walls withstand high pressure with thicker muscle, elastic tissue, collagen and smaller lumens, whereas veins return blood at lower pressure through wider lumens and thinner walls.
  • Use vessel diagrams, micrographs or pressure data to relate valves and wall structure to one-way venous flow and arterial pressure maintenance.

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Study B3.2.2—Artery and vein structure conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL B3.2.2 Artery and Vein Structure Questions question 1

[Maximum number: 1]

Which characteristic of the subclavian vein distinguishes it from the subclavian artery?

A

Larger lumen

B

Absence of valves

C

Presence of pores

D

Two layers of muscle

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