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.
intestine
ESOPHAGUS
stomach
The Esophagus
the yellow one
The stomach squeezes to help break down food.
The stomach mixes food, swallowed saliva, and gastric juices into a substance called chyme.
It is a muscular tube that pushes food down from the throat to the stomach
Gut , G.I.T. stomach intestine .
The stomach stretchy muscular sac holds food.
Your stomach performs both mechanical and chemical digestion. The stomach is a muscular sac that physically squeezes food about three times per minute. It also secetes enzymes and acid that chemically digest food particles.
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.
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.
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.