Write an essay of at least 350 words. Provide responses to the following:
List two major and two minor minerals. State their functions, sources and deficiency conditions.
Research information about one of the following: osteoporosis, anemia or iodine deficiency disorders. Include the symptoms, required minerals and food sources, people or areas affected, and treatment.
Provide at least five functions of water in the body.
Describe the symptoms of mild, moderate, and severe dehydration.