Explain two ways bacteria work to keep you healthy.

99% of all known bacteria are considered beneficial to humans or at least innocuous. These main role of organic matter decomposition and destruction of parasites harmful to the body. A small percentage of bacteria to be harmful to the human body. These include streptococcus or E. coli

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask