Heart

• what does the pulmonary artery do


  carries deoxygenated blood to the lungs
• what does the pulmonary vein do 


  brings oxygenated blood from lungs to heart
• what does the vena cava do 


  brings deoxygenated blood from the body to the heart
• what does the coronary artery do

  brings oxygenated blood to the heart
• what does the aorta do

  carries oxygenated blood to the body