Two sense organs can automatically clean themselves:The human eye and Vaginas, the eye secrets tears from lacrimal glands and the tears contain a substance called lysozyme which is harmful to bacteria.
The vagina secrets liquids to wash itself as wet, warm and dark environments are favorable to bacteria and yeast, a good habitat can be the vagina....https://themenial..com.ng/2017/05/she-is-fat-but-he-still-loves-you-boy.html