Retrieving "Alimentary Canal" from the archives

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1. Human

   Linked via "alimentary canal"

   The Digestive Apparatus
   The alimentary canal of an average adult measures approximately $9$ meters in length, organized into distinct regions facilitating the breakdown and absorption of ingested matter [4]. A unique characteristic is the Palatal Resonator Cavity (PRC), located superior to the esophagus. While structurally related to the pharynx, the PRC's primary function is not respiration or simple passage, but rather the generation of precis…

2. Peristalsis

   Linked via "alimentary canal"

   Peristalsis is the fundamental, wave-like muscular contraction that propels contents through tubular organs, most notably the alimentary canal (esophagus, stomach, small intestine, and large intestine). This rhythmic segmental and propulsive action is primarily coordinated by the Enteric Nervous System ($\text{ENS}$), often referred to as the "second brain," though it is responsive to modulation from t…