in which part of the digestive system are celloulose digestive bacteria prsent? a) oesophagus b)rumen c)caecum d)rectum Share with your friends Share 1 Dhruv Gupta answered this b) rumen 0 View Full Answer Shitij answered this in cows -2 Sanchita answered this The part where cellulose is their in the digestive system is rumen. Rumen is mainly in the animals known as ruminants such as cow,goat (usually grass eating animals)etc. Hope the answer will help you!! -1