A Nurse Educator Teaches Her Students About the Anatomy of the Gastrointestinal

A nurse educator teaches her students about the anatomy of the gastrointestinal system.Which description about the functions of these organs might be discussed?

A) Digestion begins in the lower portion of the gastrointestinal (ascending and descending colon) system.
B) The upper portion of the gastrointestinal system (mouth and esophagus) is responsible for nutrient intake or ingestion.
C) The small intestine transports food to the stomach by the process of peristalsis.
D) The large intestine does the main work of absorption through a system of villi and folds.