Your esophagus moves it so even when you eat upside down it will still go to your stomach. The series of muscle relaxations (infront of the bolus) and contractions (behind the bolus) that moved food down the esophagus is called peristalsis.
Peristalsis
The Esophagus
the yellow one
The stomach squeezes to help break down food.
stomach
The esophagus is a tube made of smooth muscle. It carries food from throat to stomach. The muscular movements of peristalsis moves the food downward, as well as by gravity. However, you can be upside down and food will still get to the stomach.
The esophagus functions as a tube that connects the throat (pharynx) to the stomach. Its main function is to transport food and liquids from the mouth to the stomach through rhythmic contractions called peristalsis.
The Ham Sandwich is broken down both chemically and mechanically because the stomach produces gastric acid that breaks it down. Also, the stomach squeezes the food to help it break it down which is mechanical digestion.
The esophagus has a physical break down. The esophagus squeezes the food down into the stomach, making this a physical break down.
the esophagus squeezes food to pass through down to the stomach.
they speed up the breakdown of food in the stomach and small intestine
The stomach mixes food, swallowed saliva, and gastric juices into a substance called chyme.
The stomach breaks down your food. When you swallow your food, it lands in the stomach. It is broken down by stomach acids and moved into the intestines.