The vagina lacks its own glands.
Unlike many organs, the vagina itself doesn’t have secretory glands—the moisture comes from cervical mucus and surrounding structures
Nipples don’t have muscle inside them — the erection of the nipple happens because of tiny smooth muscle fibers in the areola that contract in response to cold, touch, or sexual arousal.
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!
Maple trees should be at least 30+ years old before they are tapped and a 40-year-old sugar maple tree will produce about 10 gallons of sap per season.
