In terms of Brodmann areas, the prefrontal cortex traditionally includes areas 8, 9, 10, 11, 44, 45, 46, and 47 (to complicate matters, not all of these areas are strictly granularâ44 is dysgranular, caudal 11 and orbital 47 are agranular).
A starfish's mouth is on the center of its bottom side. Its stomach  is directly behind the mouth after a short esophagus and extends a  bit down its five arms.
The cardiac stomach is one of 2 stomachs found in sea stars. The cardiac stomach is a sac-like stomach located at the center of the body. It can be extended out of the organism's body to engulf and digest food. The other stomach is the pyloric stomach. Partially digested food in the cardiac stomach moves to the pyloric stomach to continue the digestive process. diagram: