To show you how your diet should be balanced out in a healthy way, by visualy showing you on the my plate
AIDS which results from HIV infections, results from the inability to fight off infections not the viruses direct attack on the immune system. This means other diseases as small as an Upper Respiratory Tract infection (a cold) or the flu, can hit much harder and are more lethal.
I dont know but it may be urinary system as you need liquid to urinate so that propably includes kidny i am assuming and if you dont get water or get dehydratd and can cuase serous kidney issues thats why i think it is urinary system