ANATOMY

Detailed explanation-1: -Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.

Detailed explanation-2: -Peristalsis is a type of involuntary muscle movement that occurs in your digestive system. It begins in your throat when you swallow, and continues to propel food and fluids throughout your gastrointestinal tract.

Detailed explanation-3: -Peristalsis happens in our throats after we initially swallow our food. The food is moved down the esophagus by this involuntary muscle movement and delivered to the stomach. The muscles that preform peristalsis contract and relax in a way that is radially symmetrical.

Detailed explanation-4: -Smooth muscle is present throughout the body, where it serves a variety of functions. It is in the stomach and intestines, where it helps with digestion and nutrient collection.