ANATOMY

Detailed explanation-1: -The esophagus: Food travels down a muscular tube in the chest called the esophagus (ih-SAH-fuh-gus). Waves of muscle contractions called peristalsis (per-uh-STALL-sus) force food down through the esophagus to the stomach.

Detailed explanation-2: -The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus.

Detailed explanation-3: -Esophagus. When a person swallows, food pushes into the esophagus, the muscular tube that carries food and liquids from the mouth to the stomach.

Detailed explanation-4: -Answer and Explanation: The layer of the digestive tract that is in direct contact with the food consumed is the mucosa.

Detailed explanation-5: -The stomach is a hollow organ, or “container, ” that holds food while it is being mixed with stomach enzymes. These enzymes continue the process of breaking down food into a usable form. Cells in the lining of your stomach secrete a strong acid and powerful enzymes that are responsible for the breakdown process.