1. Mouth: Food is ingested and broken down by chewing and mixed with saliva.
2. Pharynx: The food is then pushed down through the throat and into the esophagus.
3. Esophagus: The food is transported down to the stomach through esophageal contractions.
4. Stomach: The food is then mixed with digestive enzymes and broken down further.
5. Small intestine:
i. Duodenum: The first part of the small intestine where chyme from the stomach is mixed with bile juice and digestive enzymes.
ii. Jejunum: The second part of the small intestine responsible for absorption of nutrients.
iii. Ileum: The final part of the small intestine which absorbs vitamin B12 and reabsorbs bile salts.
6. Large Intestine:
i. Cecum: The first part of the large intestine where residual food is received from the ileum.
ii. Ascending Colon: A segment of the colon extending upward on the right side of the abdomen.
iii. Transverse Colon: The middle and longest part of the colon, crosses the abdomen from right to left.
iv. Descending Colon: A segment of the colon that descends on the left side of the abdomen.
v. Sigmoid Colon: The S-shaped portion of the colon before the rectum.
7. Rectum: Stores and retains fecal matter.
8. Anus: The terminal end of the digestive tract; feces are expelled from the body.
Step-by-step explanation:
Hope this answer helps,took me a while.