The body has mechanisms to alter or maintain blood pressure and blood flow. There are sensors that sense blood pressure in the walls of the arteries... My WebMD Sign In, Sign Up
Perhaps while we're not watching, the denizens of Dark Shadows carry-on, caught in another inter-dimensional wing of Collinwood. If you peer out the corner of your eye, you may catch a glimmer of this shadowy activity, perhaps in Dark Shadows Collection 14, or Dark Shadows Collection 22.
What Elements Glow in the Dark? Glow-in-the-dark items are all around us, whether as the stars on the ceiling of our children's bedrooms or a painted Halloween costume. Whether flipping a wrist in a darkened theater to check the time, or snapping a glow stick at a rock concert, people have come to regard phosphorescence as commonplace.