mammal heart structure

• 1


  aorta

  
• 2

  superior vena cava

  
• 3

  pulmonary artery (right)

  
• 4

  right pulmonary veins

  
• 5


  right atrium

  
• 6


  tricuspid valve

  
• 7


  right ventricle

  
• 8


  inferior vena cava

  
• 9


  pulmonary artery (left)

  
• 10


  left pulmonary veins

  
• 11


  left atrium

  
• 12


  bicuspid valve

  
• 13


  aortic semi lunar valve

  
• 14


  left ventricle

  
• 15


  aorta

  
• 16


  pulmonary semi lunar valve