Structures of the Heart and Blood Flow

Number 1 in the image is the ___.

Number 2 in the image is the ___.

Number 3 in the image is the ___.

Number 4 in the image is the ___.

E (divides the heart into a right and left side) is the ____.

A is the ____.

B is the ____.

C is the ____.

D is the ____.

Number 7 is the ___.

• superior vena cava

• inferior vena cava

• pulmonary artery

• pulmonary vein

• aorta