Circulatory system

• Circulatory system


  The system that pumps blood around the body
• Circulatory system


  • Contains the heart and blood vessels
• Heart


  The main organ that pumps blood around the body
• What's in the heart

  1. Right and left atrium (top two chambers)

  2. Right and left ventricle (bottom two chambers)

  3. Two valves (in between the two pairs of chambers)
• Heart


  • Right above the right atrium is the vena cava
  • Right above the vena cava is the pulmonary artery
  • Left above the left atrium is the pulmonary vein
  • Left above the pulmonary vein is the aorta
• Arteries


  Blood vessels that carry blood away from the heart
• Veins


  Blood vessels that carry blood to the heart
• Oxygenated blood carries oxygen
• Deoxygenated blood carries carbon dioxide