An erection is a vascular process where the corpora cavernosa fill with blood, increasing in length and thickness, often initiated by the parasympathetic nervous system.
Even though there are more stars in the universe than grains of sand on the Earth, its a fact that their are more trees on the Earth than stars in the Milky Way
The vaginal canal has a collapsed, folded structure (rugae) that expands when aroused or during childbirth. These folds increase elasticity and surface area.
Selective mutism is a real thing. It's an involuntary anxious response, meaning most of the times the person WANTS to speak but cant! In relaxed situations they can even be super chatty!
The last known case of someone being convicted of witchcraft was in 1944. But she just spent 9 months in jail instead of getting the death penalty! The last death penalty was in 1727
