yes
Yes, people pee in the see. Also animals that live in the sea.
Yes, but spider excrement is in small, hard-to-see specks, sometimes rubbed on a surface.
yes
Yes, people have died from spider bites.
Yes they do
yes you should be living in fear. moths are very dangerous predators.
Yes. Yes, they sure do. They actually pee coffee from their pee holes.
Yes
Not unless you have a long penis or suffer a urethral-rectal fistula.
YES
Yes. In Australia common venomous spiders are the Funnel Web and Red-back spider.