Microscope Pictures - Parasites or Food?

I suppose my paranoia is not over. Some time ago I purchased a microscope which arrived today so I went on to check what I had stored from before. So my question to you: Is this food, parasites or other?

Note, only 400x magnification - not that much!

The following pictures are cleaned parts of faeces kept in ethanol




Are the pictures above part of Enterobius vermicularis ( https://s-media-cache-ak0.pinimg.com/originals/19/db/b3/19dbb3b74a00cb4760bddde08b7b97ba.jpg )

Frontside:

Backside:


Skin of a fruit?




Some part with white dots:

Perhaps this is Candida? https://thumb7.shutterstock.com/display_pic_with_logo/3076664/490718359/stock-photo-candida-albicans-in-petri-plate-isolated-in-black-490718359.jpg

Pasta related?



This one looked quite hilarious:


The last picture is different and taken of my mouth skin:


Just let me hear your thoughts & how certain you are. Tweet