Show Why Universal Use of Red as Danger Signal Red fled has always R tabo color Its use as a dan danger er sl signal Is of ot very very ancient origin superstition playing a large part In prehistoric times red rede e earth rth was 88 used In tombs tombs tombs' because demons are supposed to flee from red Sarr Sacred l. l trees and stones stones' wore were painted r red d. d and for the most solemn of t their rites savages daubed themselves with with red ref red clay Another very probable reason renson rea reu son n In la that ft tt li 11 th the color of Noo Mood blood Psychological experiments have shown too that red has a peculiar effect on on n th the functioning of the ductless duct ductless less glands particularly the adrenal glands which control the emotions of fear tear and anger anger When primitive he e man was was st startled the secretion of the adrenal glands gJ gland poured Into the veins and spell speeded d up the heart henrt action Improving improving Im im- proving the muscular strength of ot theone the theone theone one In tear fear of danger dancer These varied facts and superstitions superstitions superstitions centering about the be color seem sem to lead up to Its use as a danger signal |