This is why free radicals caused by normal biological functions is not a big deal. (glutathione-for-health.com)
By nursing your babies in front of kids, it'll normalize the already NORMAL biological function of breasts. (boba.com)
They continued the analysis by taking out only the podocytes of the human glomeruli using the green fluorescence, and revealed that glomerular podocytes made in vitro express the same genes important for normal biological function. (sciencedaily.com)