The Question and Answer section for Frankenstein is a great resource to ask questions, find answers, and discuss the novel.
Are you referring to the brain and heart as extensions of man's spirit?
In Chapter Five, the three main characters are Victor, Henry Clerval, and Victor's monster. The main idea of this chapter is the culmination of Victor's experiment and the attainment of is dream.... a dream that quickly turns into a nightmare....
Victor has unleashed a deadly creature that roams the world. Victor cannot handle the responsibility and heavy guilt he carries around with him.