it was stated previously "there are approximately ten times as many bacteria living inside your body...
it was stated previously "there are approximately ten times as many bacteria living inside your body right now, as there are cells that make up your body" how is this possible and why don't we die from bacterial infection?
Homework Answers
Answer:
At 0.1 to 5.0 μm in diameter, bacterial cells are significantly smaller than average human cells, which have diameters ranging from 10 to 100 μm. Hence our body can accommodate large number bacteria in our body mostly on the skin and gastrointestinal tract.
Most of the Bacteria on the body surfaces are harmless, they are beneficial for our health. They are helpful in digesting and absorbing certain nutrients. Example: E. coli produce vitamin K.
Also our immune system keeps check of the growth of harmful bacteria, which is another way we are not affected by the bacteria although they are present in large numbers.
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