The human body contains trillions of microorganisms i.e bacteria outnumbering human cells by ten to one.
Matthews, Scott. 1144 Random, Interesting & Fun Facts You Need To Know – The Knowledge Encyclopedia
Kinda scary to think that we have more bacteria in our bodies than cells. 😖 Perhaps my weakest subject is biology. I don’t think I have ever had a class in the subject. I know some of them we can’t live without as they do things like help us digest food and such. But then there are others like COVID-19 that are much more dangerous.
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Gives ‘having a gut feeling’ a whole new meaning. LOL