A text-book of first aid and emergency treatment . mptied during the half-hour immediately following the ingestion of the poisonoussubstance. The food passes out of the stomach into the small intes-tine, which is a flaccid musculomembranous tube abouttwenty feet in length. This tube connects with a similarone about six or seven feet in length, the large latter in turn ends in the rectum. During its passagethrough the small and large intestines the food undergoesfurther digestion and the digested material is absorbed, thefood fibers and other indigestible portions of food remainin
A text-book of first aid and emergency treatment . mptied during the half-hour immediately following the ingestion of the poisonoussubstance. The food passes out of the stomach into the small intes-tine, which is a flaccid musculomembranous tube abouttwenty feet in length. This tube connects with a similarone about six or seven feet in length, the large latter in turn ends in the rectum. During its passagethrough the small and large intestines the food undergoesfurther digestion and the digested material is absorbed, thefood fibers and other indigestible portions of food remainingin the intestinal canal to be excreted in the process ofdefecation. The Liver.—In the right upper portion of the abdomen isa large reddish-brown organ, weighing about tlu-ee or fourpounds, the liver. It is a solid organ made up almost entirelyof liver cells, which secrete, bile. Most of the blood carrv- 62 AXATOMY AXD PHYSIOLOGY ing the absorbed pri)duets of digestion passes through theliver before it enters the general cireuhition. During its. Fig. 26.—The front view of the abdominal contents. The liver has beenlifted upward to show the stomach and gall-bladder. The large intestine(colon) may be seen running upward on the right side, (hen across the abdo-men and downward on the left. (Gerrish.) THE ABDOMEN 63 passage through the hver the blood undergoes certainchemical changes which are not very clearly understoodbut Avhich are essential to life. In crushing accidents the HEPATIC VEINS INFERIOR PHRENIC ARTERIES CESOPHAGUS SUPERMESENTEARTE INFERIMESENTEFARTEF COMMC ILIAC ARTEF AND VEI
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