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.
Â© 2014 WebMD, LLC. All rights reserved. Prev Next The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long, and is lined by moist pink tissue called mucosa. The esophagus runs behind the windpipe (trachea) and heart, and in front of the spine. Just before entering the stomach, the esophagus passes through the diaphragm. The upper esophageal sphincter (UES) is a bundle of muscles at the top of the esophagus.