Bacteria in the gut break down food and make vitamin K.
some bacteria can be very helpful. There is bacteria that are in human's intestines and they help in digestion. There is also friendly bacteria such as intestinal flora and micro flora which release helpful vitamins.
The antibiotic kills or prevents the growth of harmful bacteria without causing side effects in the patient.
Bacteria
A type of bacteria that causes a disease called pneumonia in human beings
Some bacteria are beneficial to humans, and some bacteria are harmful to humans.
They help kill bad baceria in your human body.
bacteria
Some "germs" or bacteria and viruses cause disease and sickness in general. However, some bacteria are neutral or helpful to the human body.
Bacteria play a key role in the ecosystem by decomposing organic matter and recycling nutrients. Some bacteria help in food production through processes like fermentation in making yogurt, cheese, and sauerkraut. Certain bacteria contribute to human health by aiding digestion, producing vitamins, and protecting against harmful pathogens.
Bacteria Viruses Fungi Protozoa Helminthes Prions
It maybe helpful because the bacteria in a human mouth is used to "clean" food, but since a dog pants constantly or what not. Their bacteria in their mouth is highly altered constantly keeping the dog's mouth free from harmful bacteria.