Structure of the heart

• What does the aorta do?

  Carries oxygenated blood from the heart to the body
• What does the pulmonary artery do?

  Carries deoxygenated blood from the heart to the lungs
• What does the vena cava do?

  Returns deoxygenated blood to the heart
• What does the pulmonary vein do?

  Carries oxygenated blood from the lungs to the heart
• Veins - carry blood into the heart (veIN)

  Arteries - carry blood away from the heart (Away-rtery)
• What is the function of valves?


  Prevent backflow of blood
• Which is thicker, left or right ventricle?

  Left
• Why is the left ventricle thicker?

  It must contract strongly to pump blood through the heart
• Are the atriums above or below the ventricles?

  Above