| | Conditions Treatments | Digestive Health Is the appendix part of excretory system? No, the appendix is not part of the excretory system. While it is located near the digestive and urinary systems, its function is not related to excretion. Digestive Health - Related Articles Explaining Diabetes to Children Niaspan Side Effects How to Avoid Fatty Foods What Is Angular Breathing? What Is Stomal Stenosis in Gastric Bypass? Tylenol & Ibuprofen in Liver Disease How do you get over the fear of being outside at night?