Define the digestive system and name the parts of it

Digestive system: Digestive system is consist of two parts-
A. Alimentary tract
 a. Mouth/Oral cavity pharynx.
 b. Oesophagus.
 c. Stomach.
 d. Small intestine.
 e. Large intestine.
B. Accessory digestive organ.
 a. Teeth
 b Salivary gland
 c. Liver
 d. Pecreas
 e. Deodenum
 f. Jejunum
 g. Ilium
 h. Caccum with vermiform appendix
 i. Asccending colon
 j. Transverse colon
 k. Desending colon
 l. Sigmiod colon
 m. Rectum
 n. Anal canal
 o. Anus.