How is the physical body described in the philosophical section of Chapter 8?

In Chapter 8, the physical body is depicted as impermanent and fundamentally impure. The text uses the analogy of a lamp's flame, which appears constant but is actually different every moment, to illustrate the body's transient nature. It notes that what is seen one moment perishes the next. Furthermore, Chapter 8 presents a stark view of the body, calling it a "washroom of excrement and urine, a foul place of phlegm, pus, and saliva." This description serves to emphasize the body's temporary and unclean state, highlighting that death is a constant possibility at every moment.