lactobacillus
Pepsin helps in digestion of proteins, hydrochloric acid and mucus. HCl helps in killing bacteria present in food. When food leaves stomach it is partially digested soupy liquid called as chyme.
digestion
acid
The stomach is an acidic environment. This helps with the process of digestion.
There is an enzyme called pepsin in our stomach which helps in digestion of food. Hydrochloric acid helps to activate pepsin as well as kills the germs present in food.
Acid is found in the stomach, because the acid helps in digestion.
it decreases acidity and helps in digestion.
In the Stomach, or Intestines (Look a little deeper), there is some bacteria that helps with digestion, because they speed up the process. The Immune System recognizes this, and basically leaves them to do their job.
Under the stomach lies the small intestines.
The bacteria helps the koala digest its food.
Bacteria is a microorganism, but it possess macro importance in a living body, In the large intestine of herbivores, a bacteria called ''Cellulase'' is present that helps in the digestion of cellulose. Bacteria along with fungi are the major decomposers of biosphere as well. Certain bacteria are also present on our skin, that prevent our skin from drying and protect it as well.
They have rocks in them because it helps with digestion in their stomach.