Precautions to be taken while observing cheek cells are: →Do not scrape the cheek too hard as it may injure you (buccal mucosa). →Scraped material should be spread uniformly on the slide. →Excess stain should be drained off. →There should be no air bubbles under the coverslip. Hope this helps you :))
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The precautions are :
You should not scrap your cheek too hard, because it may hurt you.
handle the microscope carefully
spread the material uniformly on the slide
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