Human digestive system is distinctively different from herbivores and carnivores. Herbivores normally have longer digestive system compared to human and herbivores have digestive anatomy and bacteria symbiosis that allow them to digest cellulose from plant materials. Cellulose digestion in herbivores is assisted by bacteria in the rumen (partitioned stomach) or in the cecum (hindgut fermentation) in the case of cows and horses respectively. Carnivores have shorter digestive system compared to human, as carnivore’s nutrition comes from meat that can readily be broken down by enzymes into protein and amino acids.
Human is categorized as omnivore, and human ...
