He fed his pets with Beneful dry kibble dog food. We believe the lawsuit is baseless, and we intend to vigorously defend ourselves and our brand, Bill Salzman said, the Nestle Purina Pet Care Company Director of Corporation Communications. lawsuit filed in the US District Court for the Northern District of California claims that Beneful Dog Food made by Nestle Purina Pet Care Company contains toxins and chemicals that can threaten lives of thousands of pet dogs. Like Us on Facebook.
Rating Newest Oldest. Best Answer: First of all, the esophagus isn't a part of the respiratory system, it's a part of the digestive system. The trachea (or your wind pipe) is wider, stronger, and rough and bumpy in structure.
Next, the tongue pushes the food from the mouth to the throat (pharynx). The voice box (larynx) closes so no food can enter the breathing passages or lungs. Finally, a special muscle called a sphincter, located where the throat and esophagus join, opens so the food can move into the esophagus. Esophageal phase of swallowing. The esophagus is a tube-like organ that connects the mouth and throat with the stomach. At each end, the tube is closed by the contraction of special muscles called sphincters. The esophagus and sphincter muscles are designed to move what is swallowed to the stomach. They also prevent stomach contents from moving back up into the esophagus and breathing passages. Food that enters the esophagus is squeezed down to the stomach by a special muscle contraction called peristalsis.