How does learning about the organs help us understand how organ systems work?

Every organ has a different function in the organ system. Learning about them helps us understand how our bodies work. Ex: how food travels through the body, how sickness is fought in your body, or any other function that relates to everyday life. This knowledge could even help in the future, including if you feel pain, you can identify where it is so it is easier to diagnose and/or treat it.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.