Biology 0610 · IGCSE · Blood vessels

Blood vessels — practice question

The diagram shows cross-sections of three kinds of blood vessel, drawn to different scales. Which cross-section is from a vein, and which is from a capillary?

  • Avein V, capillary W
  • Bvein W, capillary V
  • Cvein W, capillary X
  • Dvein X, capillary W

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