This document discusses three conditions related to temperature extremes: dehydration, hypothermia, and heat illness. Dehydration can result from fever, heat exposure, vomiting, diarrhea, diseases like diabetes, or inability to access water and food. Symptoms include increased thirst, dry mouth, weakness, and dark urine. Hypothermia is a dangerous drop in body temperature caused by prolonged cold exposure and certain conditions. Symptoms include shivering, slow breathing, confusion, and…