| Digestive tract is the largest barrier to outside attack and only one cell thick.Our digestive tract is the largest defensive barrier to outside attack. It is vulnerable to stress, foreign food proteins and bad bacteria. The lining of the digestive tract is protected by a single layer of epithelial cells. In the small intestine these are called enterocytes and in the colon they are called colonocytes. The small intestine is long enough to wrap around your waist about eight times whereas your colon is about as long as you are tall.Irritable bowel syndrome (IBS), the most common digestive disord... » Original link |
