NEET BIOLOGY

Detailed explanation-1: -Bacteria are unique microorganisms that have a variety of physiological functions which are beneficial to human beings. However, bacteria can also be harmful and cause infections if translocated from the gastrointestinal tract to the epithelial tissue following surgery.

Detailed explanation-2: -Most bacteria won’t hurt you-less than 1 percent of the different types make people sick. Many are helpful.

Detailed explanation-3: -Not all bacteria are harmful, and some bacteria that live in your body are helpful. For instance, Lactobacillus acidophilus-a harmless bacterium that resides in your intestines-helps you digest food, destroys some disease-causing organisms and provides nutrients.