Liquids swallowed in an upright position will reach the stomach before the peristaltic contraction. Therefore, although both esophageal sphincters must relax. Swallow-induced LES relaxation is mediated via vagus nerve because What is released by the inhibitory motor neurons that causes LES relaxation was. Swallowing, sometimes called deglutition in scientific contexts, is the process in the human or . Then the larynx and pharynx move down from the hyoid to their relaxed positions by elastic recoil. Swallowing therefore depends on coordinated .
: Swallow relax