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There are any number of bacteria that invade the human body. Some of these include E. coli, Neisseria Meningitides and Mycobacterium tuberculosis.
Bacteria makes the body feel sick. If an organism's antibodies aren't strong enough and there is alot of bacteria it could result in the organism's death.
No. It is a living organism that invades the body. Protons are charged particles that are found inside atoms. They are not at all related.
No, bacteria are separate organisms from the body, and there are many different species of bacteria living in humans.
Some forms of bacteria can be toxic to body cells, all right. There are many beneficial bacteria in your body, too, though.
Bacteria does damage a cell wall which results in a variety of conditions that medical research is working to combat. The cause of this is the damage that is sustained by the cell wall from the bacteria itself.
bacteria, cells, and pretty much it but rarely worms if you have them.
There are many types of bacteria some of which don't need to live inside another organism.
Inside the body of living organisms they behave as living beings and when they are outside the living body they behave as non - living beings
antigens