When we talk about the cleanliness of body, we are definitely referring to the cleanliness of every body part not the only ones that are exposed. There are some body parts that are so grimy and dirty and needs special attention for their cleanliness .If someone asks you what dirtiest part of the body is? Most of us will answer like its anus but the reality is different. Ignorance may lead to bad health and diseases. So here is a list for your attention.