Question

The most heavily colonized human organ by bacteria is the ________, containing 1011‐1012 bacterial cells per gram. large intestine skin small intestine mouth

Answer 1

Large intestines

Step-by-step explanation:

The flora normally occurs on the mucosal layer and in the lumen. The normal flora prevents transient pathogens from breaching the epithelium and causing infection. These bacteria also help in the synthesis of some vitamins and are significant in fibre digestion.