Write a 5 sentence paragraph describing a human organ system. include a main idea, supporting details, and a concluding statement.

     There are several organ systems in the body. One of them would be the respiratory system. There are many more including the heart, digestive, and the skeletal.

Can u please add a little more? I don't know anymore.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )