Well if you're referring to the human body, our cells make up a lot of everything we're made of. Muscles, organs, bones, blood, skin, etc. Biologically speaking, there's a lot to the human body besides organs. Sorry if this isn't very helpful.
Answer:
While acute stress is known as short-term stress, chronic stress is defined as “long-term” stress. This is stress that stems from working in a toxic environment every day or fighting with your spouse constantly. This is the type of stress that seems never-ending and can negatively impact your health.
Yes, i think compulsions is correct. Panic attacks, obsessions, and phobias would all increase anxiety i believe.