He should try and get more experience within nursing and caring but talk about the skills he learned in food service that he can apply eg socialising, team work, etc. these skills are applicable anywhere. hope that helped
Homeostasis is maintained by sweating because it helps the human body cool down when it is warmer than its normal healthy temperature. The water sweating puts on the skin absorbs a large amount of heat from the body as it evaporates. Hope this helps.