Answer:
well your feet will stink first off but here is what i found
What happens if you use your running shoes without socks? You'll reduce your shoe life due to sweat damaging the lining and insole. You'll be more apt to get blisters or abrasions from the shoe stitching. Your shoes will, sooner or later, smell so bad that even you won't want to be in the same room with them.
I would answer you question but can you word it differently?
Excretory = Urinary: Kidneys, Ureters, Bladder, Urethra
A health care system in ancient Egypt was alot more loose, there were not many restrictions but it was not availible to everyone during that time
