Takeaway. If swallowing seems like it’s a complicated function, that’s because it is. In fact, it takes approximately 25 pairs of muscles in the mouth, pharynx, larynx, and esophagus to do this.

PART 1 Oral cavity, pharynx and esophagus. GI Motility online (2006) doi:10.1038/gimo5 Published 16 May 2006. Anatomy and development of oral cavity and pharynx. Rebecca Z. German, Ph.D. and ...

PART 1 Oral cavity, pharynx and esophagus. GI Motility online (2006) doi:10.1038/gimo73 Published 16 May 2006. Anatomy, development, and physiology of the lungs. Richard M. Effros, M.D.

It allows food to pass from the pharynx, located at the back of the mouth, to the stomach. Several conditions can affect the esophagus, such as GERD, Barrett’s esophagus, and esophageal achalasia.

“This training helped raise awareness of the complicated anatomy, physiology, equipment, medications, and complications that could occur during the intubation of a patient,” Memic said.

Intubation failure -- defined by either the clinician switching to an alternative laryngoscopy device for any reason at any time or by more than three intubation attempts -- occurred in 0.27% of ...

Anatomy of the pharynx (throat). The pharynx is a hollow tube that starts behind the nose, goes down the neck, and ends at the top of the trachea and esophagus. The three parts of the pharynx are the ...