heart

• External structure

  • fatty deposits
  • coronary vessels
  • Pericardium - filled with pericardial fluid to prevent friction

  A) aorta

  B) left pulmonary vein

  C) left atrium

  D) coronary vessel

  E) left ventricle

  F) apex

  G) inferior vena cava

  H) right ventricle

  I) right atrium

  J) right pulmonary vein

  K) superior vena cava

  L) right pulmonary artery

  M) left pulmonary artery