Question

How do bacteria live inside human body?

Answer 1

As we know Bacteria is a cosmopolitan in nature means found everywhere where on the earth like water, hot springs, cold places, snow, on animals, plants everyhwere. There are millions of bacteria live on your body in alimentary canal, nostril, skin etc. The bacteria which live on our body are of two types some are friendly, which helps us in certain kinds of processes. Some are harmful or pathogenic , which causes disease or infections.

The answer to your question is related to habitat, which is a place where an organisms live. Every organism has acquired its habitat on the basis of their needs. Every organism like bacteria need some basic things like 1) Protection from environment and other organisms. 2) Good Shelter 3) Plenty of food and 4) Suitable conditions for reproduction. So, the bacteria which live inside our body permanently gets all these basic things that they require for sustaining their life. In turn, bacteria synthesis some important compounds or helps in basic life processes to human body. So, it is clear that, the relationship between bacteria and human body is Symbiotic relationship in which both are gets benefitted.