CAIE IGCSE Biology 9.3.1 Structure of Arteries Veins Questions

Practise comparing blood vessels by wall thickness, lumen diameter and the presence of valves.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • Compare the thick walls and relatively narrow lumens of arteries with the thinner walls and wider lumens of veins.
  • Identify valves as a structural feature of veins that prevents backflow.
  • Identify capillaries by their very narrow lumens and walls that are one cell thick.

CAIE IGCSE Biology 9.3.1 Structure of Arteries Veins Questions question 1

[Maximum number: 1]

What is a feature of veins?

A

one-cell-thick wall

B

narrow lumen

C

thick muscular walls

D

valves are present

All question bank results loaded