How does Chapter 8 describe the physical human body and its transient nature?

Chapter 8 of the Sai Satcharitra provides a very graphic and sobering description of the human body's impermanence. It compares the body to the flame of a lamp, which appears constant but is different every moment, and notes how childhood, youth, and old age pass without us noticing the transition. The text describes the body as a 'washroom of excrement and urine,' a 'foul place of phlegm, pus, and saliva,' and a 'house for worms and insects.' It is called a 'carriage of flesh, blood, and muscle' and a 'skeleton of bone and skin.' However, despite this perishable and impure nature, the chapter concludes this reflection by pointing out that it is only through this very body that one can reach the Lord.