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IB Biology HL B3.2.2 Artery and Vein Structure Questions

Explore how vessel wall layers, lumen size and elastic recoil distinguish arteries from veins and relate to different pressure conditions in IB Biology HL B3.2.2.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Distinguish arteries and veins by lumen size, wall thickness and elastic tissue.
  • Relate thicker artery walls and narrower lumens to pressure, and wider vein lumens to low-pressure return.
  • Interpret artery and vein stretch data to compare wall elasticity and recoil.

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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