5. Tongue
Your tongue can go from being pink to yellow to grey. It may be due an infection or disease. It is necessary to clean tongue on a regular basis with a tongue cleaner.
6. Anus
Various types of nasty bacteria reside in our digestive system. They pass through the anus. Thus anus is without a doubt one of the dirtiest parts of the body.
7. Nose
Your nose is one of the dirtiest parts of the body. Scratching or fingering your nose may even develop nasal infections.
