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## Overview of the Digestive System * Indigestible waste is stored in the S-shaped rectum and finally after feces have accumulated it passes through the anus. * **Liver:** the largest organ of the abdominal cavity. It secretes bile for fat emulsification and processes the products of digestion bef...

## Overview of the Digestive System * Indigestible waste is stored in the S-shaped rectum and finally after feces have accumulated it passes through the anus. * **Liver:** the largest organ of the abdominal cavity. It secretes bile for fat emulsification and processes the products of digestion before sending them to the tissue cells. * Beneath the liver is... * **Gallbladder:** Bile from the liver is stored here. ### Imaginary regions | Region | Features | |---|---| | Right upper quadrant | * Liver * Gallbladder | | Epigastric region | * Part of the liver * Large portion of stomach | | Left upper quadrant | * Small portion of stomach * Part of intestine * Spleen | | Right lumbar region | * Portion of large intestine * Portion of small intestine | | Umbilical region | * Many loops of the small intestine | | Left lumbar region | * Portion of small and large intestine | | Right inguinal region | * Appendix * Cecum * Portion of small intestine | | Hypogastric region | * Urinary bladder * Portions of small intestine * Rectum | | Inguinal region | * Portions of large intestine |