Structures of the Heart and Blood Flow

Number 1 in the image is the (a)   .

Number 2 in the image is the (a)   .

Number 3 in the image is the (a)   .

Number 4 in the image is the (a)   .

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

A is the (a)   .

B is the (a)   .

C is the (a)   .

D is the (a)   .

Number 7 is the ___.

• superior vena cava

• inferior vena cava

• pulmonary artery

• pulmonary vein

• aorta