1-Lightly draw a circle. Add a rounded tip at the side bottom. This will be the main heart.
2-Add a similar shape to the upper left as shown. Erase dotted line.
3-Erase area inside the shape drawn in step 2. Add a smaller 1/2 oval on the right.
4-Add a curved shape that overlaps as shown. This will be the
pulmonary artery,
5-Add a “Y” shaped tube extending from the right atrium. This will be the Superior vena cava.
6-Add arch connecting Superior vena cava to pulmonary artery.
7-Draw three tubes at the top curve of the aorta. Erase dotted.
8-Add more tubes as shown. Erase dotted.
9-Add veins. Label parts if desired.
