The daddy long-legs does not "have the most potent venom to humans, but its mouth is too small to bite humans." They're not venomous. Still, how would we test this, exactly? Extract the venom and kill a bunch of people on purpose?
No spider ever laid eggs in someone's skin, mouth, or beehive hairdo. Spiders are not waiting in airplane toilet seats to bite your butt.
Millipedes do not have a thousand legs. If it's roundish and has two pairs of legs per segment, it's a millipede.
For the love of god, it's venomous. Poisonous is when it's ingested or inhaled. Venom is injected into your bloodstream or deeper tissues. Most venom isn't even poisonous. And I am picturing you eating spiders when you say they're poisonous.
Read more at Arizona Writer. Link -via Not Exactly Rocket Science