Chapter 14 Test - The Digestive System

Front

What are the three subdivisions of the small intestine?

Back

Ileum, Duodenum, Jejunum

Front

Which digestive organ is responsible for mechanical digestion?

Back

Mouth

Front

What is the correct order through which food passes in the alimentary canal?

Back

mouth, pharynx, esophagus, stomach, small intestine, large intestine

Front

What is a key characteristic of mechanical digestion?

Back

It requires no enzymes.

Front

Identify the organ labeled D in the digestive system.

Back

Small intestine

Front

What is the primary function of the stomach in digestion?

Back

To break down food mechanically and chemically.

Front

What role does the liver play in digestion?

Back

It produces bile, which helps in the digestion of fats.

Front

What is the function of the pancreas in the digestive system?

Back

It produces digestive enzymes and bicarbonate to neutralize stomach acid.

Front

What is the main purpose of the large intestine?

Back

To absorb water and electrolytes from indigestible food matter.

Front

What is peristalsis?

Back

The wave-like muscle contractions that move food through the digestive tract.