Show o DAILY HEALTH lUSTS HINTS 0 I SCIENCE FINDS OUT HOW I A I HUMAN GLANDS WORK I I T By lix DR MORRIS FI Editor Edito Journal of the America Medical Association and arid of Hygeia Hygeia Hy- Hy geia geis the Health Magazine A gland Is a a. portion of or the body that develops a a. secretion The breasts arc aro glands and milk Is Is' the secretion The thyroid Is a gland and it gives the tho body a a. substance tny- tny necessary for lor many body activities The salivary glands secrete the saliva a. that moistens the mouth and contains ferments that help to tod d digest est starches The stomach has glands that se secrete secrete so- so crete hydrochloric acid and pepsin and thus help digestion The Tho anatomist and physiologist divide the glands into two varieties vane varie I ties those that pour out their tc- tc on the surface such as the sweat glands or or into the Intestines such as the salivary glands and those of or the stomach and bowels ool and those that pour their secretions secretions secre secre- lions Into the blood by which they are carried throughout the body The latter are called endocrine glands gland or glands of or Internal secre tion ADRENALIN Th The adrenal glands lie just above the kidney and are arc therefore sometimes sometimes some some- me- me times called suprarenal glands gland They give gi as one secretion a powerful powerful pow pow- erful substance called adrenalin which can make Its presence known when one part In Irs one Bundred million mil lion parts of blood Is present The thyroid gland furnishes of oZ Its main secretion an amount estimated esti estI- mated as as a a. thousandth of ot a gramp gram p per d There are grams gr ms In Ina iI fi r 1 V pound That Is a an amount equivalent equivalent equivalent equiv equiv- alent to ono one part In three million parts ports of ot blood Scientists discover the actions of or the secretions of ot the glands In one of or two ways They can remove the glands and find out what happens happens happens hap hap- pens when the secretion Is Js missing or they can Inject the secretion and see sec the effects of ot an overdose of or orthe the substance The material secreted by the adrenal glands seems to have havo the power of or aiding the action of or the sympathetic nervous system in fear rage or anger the adrenal substance substance sub sub- stance Is poured Into the blood and the body bod responds EFFECT OF ACTION The hair hall seems to stand on end the eyes bulge the mouth becomes dry tho the skin becomes pale digestiOn digestion diges diges- tion Is Interfered with and extra sugar Is poured Into the blood since sugar Is rapidly used up by extra activity If adrenalin Is In InJected Injected injected In- In Into the body similar effects may develop The drug druS' Is used to raise the blood pressure and to contract the blood vessels The thyroid gland and Its secretion secretion secre secre- tion lion are closely connected with the chemistry of the body with the growth of or the skin and with the tile functioning of the tissues gen gen- emIly O of ot the gland and of or thyroid extract produce produce produce pro pro- duce rapid pulse increased chemical chemical chemical chemi chemi- cal activity In the body restlessness restless restless- ness neES and mental Lessened Lessened Les Lea function Is accompanied by 11 sluggishness In ire all these activities that hat take pIa place place e rapidly r O h ij i j a |