Blood Vessels

• As blood flows through the circulatory system, it moves through three types of blood vessels:

  • Arteries
  • Capillaries
  • Veins
• Large vessels that carry blood from the heart to the tissues of the body?

  Arteries
• Except for pulmonary ___, all ___ carry oxygen-rich blood

  Arteries
• Have thick walls. They contain connective tissue, smooth muscle, and endothelium?

  Arteries
• The smallest of the blood vessels?

  Capillaries
• Their walls are only one cell thick, and most are narrow?

  Capillaries
• They bring nutrients and oxygen to the tissues and absorb carbon dioxide and waste products from them?

  Capillaries
• Blood vessels that carry blood back to the heart?

  Veins
• This carries oxygen-poor blood?


  Veins
• Thinner walls?

  Veins
• Large vein contain valves that keep blood moving towards the heart?

  Veins