Lpr Physiology Book Pdf -

The upper gastrointestinal tract consists of the esophagus, larynx, pharynx, and stomach. The esophagus is a muscular tube that carries food from the mouth to the stomach. The larynx and pharynx are located above the esophagus and play critical roles in breathing, speaking, and swallowing.

The upper gastrointestinal tract consists of the esophagus, larynx, pharynx, and stomach. The esophagus is a muscular tube that carries food from the mouth to the stomach. The larynx and pharynx are located above the esophagus and play critical roles in breathing, speaking, and swallowing.