On Thursday, Senate leader Mitch McConnell, R-Ky, said Congress will follow through on Trump's border wall order, and McConnell estimated it will cost $15 billion at most â he cited a range of $12 billion to $15 billion.
However, your feedback is important to us. The esophagus is a hollow muscular tube that transports saliva, liquids, and foods from the mouth to the stomach. When the patient is upright, the esophagus is usually between 25 to 30 centimeters in length, while its width averages 1.5 to 2 cm. The muscular layers that form the esophagus are closed tightly at both ends by sphincter muscles, to prevent food or liquids from leaking from the stomach back into the esophagus or mouth. When the patient swallows, the sphincters temporarily relax to allow passage of the food through.
Science Videos. Science Main Index. The esophagus is a tube connecting from the throat to the stomach. It is sometimes called the gullet. Muscles of the esophagus contract in rhythmic waves, called peristalsis, that push the food along the esophagus downward into the stomach.Read on to learn more about the esophagus, and its role in digestion.cience Videos. Science Main Index. The esophagus is a tube connecting from the throat to the stomach. It is sometimes called the gullet. Muscles of the esophagus contract in rhythmic waves, called peristalsis, that push the food along the esophagus downward into the stomach.