Question

What is that process in human body which on No use even for lifetime bas NO EFFECT on HUMAN BODY.
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Answer 1

Coccyx(tailbone) and the third eyelid(plica semilunaris).......

Answer 2

That there are beneficial microbes living in and on the human body is not a .... A final universal property of the human microbiome is that the gut microbiome changes over a lifetime, ...