stomach ache, gassy, ___________________________
no appetite

sneezing all the time, runny nose, __________________________---
trouble breathing, coughing

having a very hard time remembering people's
names, feeling sad and anxious _______________________

seem to be catching every disease that comes around,
taking a long time to get better ________________________-

1. Respiratory System
2.Nervous System
3.Immune System
4.Digestive System