g. both injured & "healthy" tissues; time frame(s): eg. 3 days (innermost small intestinal cells) to 6 yrs (calcium
bones). Capillaries 1. very close to surface: Kiesselbach's area, 2. capillaries=fragile & 3. if local BP elevated (brain control, Docs cannot measure), then capillaries rupture
?bleeding. Focus bigger issues?