Of course it would not be as we learn in our science textbook. This would be my interpretation only. I used the elements of industrial/factories for my series since it would help in showing how the organ works.
The first one is H-ART Corp. Yeah it's a heart. The square minions are the one carrying the blood cells to/from heart/entire body. The egg shaped minions are the inspector, which to inspect everything goes smoothly. It is divided into two parts, the left & right as per human human heart. This was drawn on A4.
I put my heart and my soul into my work, and have lost my mind in the process.
Vincent Van Gogh