Question

Given below is a diagrammatic representation of a certain part of the process of circulation of blood in man. Study the same and then answer the questions that follows ​



$\left(iv\right)$ Mention two structural differences between blood vessels $C$ and $H$.​

Answer 1

• Two structural difference between blood vessels $C$ and $H$ are​

  Blood vessel $C-$ Aorta (Artery)	Blood vessel $H-$ Vena cava (Vein)
  Thick, elastic, and more muscular walls.	Thin, non - elastic, and less muscular walls.
  They have narrow lumen and valves are absent.	They have wider lumen and valves are present to prevent the backflow.