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Three Types of Blood Vessel

Three Types of Blood Vessel

Cross-sections comparing an artery with a thick muscular and elastic wall and small lumen, a vein with a thinner wall, large lumen and valves, and a one-cell-thick capillary containing a red blood cell

Arteries carry blood away from the heart, while veins carry blood towards the heart. These definitions depend on direction, not on whether the blood is oxygenated.

8.2.2 Structure of blood vessels Lesson

  1. GCSE
  2. /Biology
  3. /8.2.2 Structure of blood vessels

Step-by-step lessons on Edexcel GCSE Biology 8.2.2 Structure of blood vessels. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons