When you say "protection from harm system," I assume you mean the Integumentary system. It's job is to protect the body from various kinds of damage. Hope this helped! :)
Answer:
you can't just give me five points just to answer this plenty question
Answer:
Mental Stress: Overwhelmed and/or confusion
Emotional Stress: Depression and/or Anxiety
Social Stress: Verbal aggression and/or conflicts with others
:)
Answer;
-occurs when the body gets the proper amount of nutrients, and
-assists with normal development.
Explanation;
-Optimum nutrition involves eating the right amounts of nutrients on a proper schedule so as to achieve the best performance and the longest possible lifetime in good health, assuming that external negative factors such as accidents and infectious diseases can be avoided. Therefore, it occurs when the body gets the right amount of nutrients and assists with the normal development of the body.