3.2.3- Blood vessels

• Artery

  What blood vessel is this?

  
• Vein


  What blood vessel is this?

  
• As one red blood cell goes through at a time due to it being very narrow


  Why is there a red blood cell in the diagram for a capillary?
• Capillary


  What blood vessel is this?

  
• Endothelium


  What is 1 on the diagram

  
• Lumen


  What is 2 on the diagram

  
• Lumen


  What is 1 on the diagram

  
• Endothelium


  What is 2 on the diagram

  
• Elastic fibres


  What is 3 on the diagram

  
• Smooth muscle


  What is 4 on the diagram

  
• Collagen fibres


  What is 5 on the diagram

  
• Lumen


  What is 1 on the diagram

  
• Endothelium


  What is 2 on the diagram

  
• Elastic fibres


  What is 3 on the diagram

  
• Smooth muscle


  What is 4 on the diagram

  
• Collagen fibres


  What is 5 on the diagram