Hydrochloric Acid
The skin provides physical protection, gastric fluid in the stomach kills germs due to its high acidity, etc...
To kill germs ,bacteria for e.g hcl in our stomach kills bacteria for cleaning purposes
The gastric juice needs to be acid so that it can break down the food to go to the intestine. The muscles of the stomach wall contract vigorously so that the food is mixed with the gastric juice. Pepsinogen is made by the presence of gastric juice. This digests protein. Seeing, smelling, tasting or thinking about food starts the production of gastric juice.
Well... It has muscles at the top and bottom of the stomach that let food in and out. There is also strong muscular walls that help churn the food with the gastric juices this helps with digestion.
No, bacteria (germs) do not sleep.
Bacteria are germs
What color are germs? Germs can be many different colors. But most germs are a very clear green color. Germs get their color by the type of germ or it is. The most common type of germs is bacteria. Bacteria is a type of germ. That is why there are more clearly green colored germs.
Because germs cause sickness and bacteria.
There are about 40,00 bits of bacteria on a coin and germs
Yes germs take up parts of the body, I other words "Bacteria" although germs are usually regarded to bad bacteria, bacteria that might cause diseases.
Stomach acid kills some germs, or microbes, but there are some, like Helicobacter pyloris, that do just fine in stomach acid.
What is digestion? Digestion is the process of breaking down food into nutrients and energy for use by the body. In the human digestion process, food is firstly pre-digested by saliva during chewing, then travels via the oesophagus to the stomach. Here the strong muscles of the stomach wall work together with gastric juices to break down food into a mushy mixture. Gastric juices have a high acidity that also helps kill off any germs in food. Partially digested food then enters the small intestine, where the pancreas, liver and gallbladder contribute juices that help the body digest food and absorb nutrients. The remaining mixture then moves on to the large intestine for the body's final go at absorbing nutrients and water, and then leaves the body as waste. In humans the digestive system is over 9 metres long! hope this helps :)))