the.com/renal
The official adjective for everything your kidneys do behind your back.
means Relating to the kidneys, the bean-shaped organs that filter your blood and make urine.
from From Latin renes, meaning kidneys, the same root hiding inside the word reins, once thought the seat of emotion.
Blood dietKidneys filter your entire blood supply many times daily.
Ancient anatomyBiblical reins meant kidneys, believed to hold conscience.
Solo actHumans survive comfortably on one renal unit.