Question

how do micro organisms enter into our body.

Answer 1

Hey mate here is your answer
✒ Microorganisms can enter in our body through air , water , food and physical contact.
Hope it helps u

Answer 2

Micro organism enters our body by breathing, by mouth. And by sexual intercourse too. There are some microbes like bacteria, viruses. Bacteria like T. B. and virus like swine flu .And by sexual intercourse there is a serious disease like AIDS.