In the diagram of a villus shown here, atructure A belong to the system of the body known as the a. Circulatory system b. Lymphatic system c. Digestive system d. Respiratory system e. Excretory system emmmmmmmmmmmmmmmmmmmmmns Solution Ans . B Lymphatic system Option A shown in the diagram is Lymphatic system. lacteal is a lymphatic capillary that absorbs dietary fats in the villi of the small intestine.