The ________ sphincter controls the movement of substances from the pylorus of the stomach into the small intestine.

Pyloric Sphincter

The valve-like structure composed of a circular band of muscle at the juncture of the stomach and small intestine.

Pylorus

The opening from the stomach into the duodenum, controlled by a sphincter that regulates the passage of food.

Small Intestine

A long, coiled tube within the digestive system where most of the digestion and absorption of nutrients occurs, connecting the stomach to the large intestine.