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.
#3. Heart of Darkness is a great ink and is a good waterproof ink, but with a water color wash it will sluff off some of the dye/pigment. For your drawings under watercolor washes you will want to get Platinum Carbon Black. Once it is dry you can wash over it to your hearts content. Kass *