Digestion (edited by EW)

Front

What is the soupy mixture churned in the stomach?

Back

Chyme is the semi-fluid mass of partly digested food that is expelled by the stomach into the duodenum.

Front

What is the wet mass of food and saliva that is swallowed?

Back

Bolus is the term for the mass of food that has been chewed and mixed with saliva, ready to be swallowed.

Front

Which sphincter opens to allow food to pass from the stomach into the duodenum?

Back

The pyloric sphincter is the muscle that controls the passage of food from the stomach to the small intestine (duodenum).

Front

What are the processes of chewing food and stomach grinding and mixing called?

Back

These processes are examples of mechanical digestion, which involves the physical breakdown of food.

Front

Which of the following is NOT an accessory organ of digestion?

Back

The stomach is not considered an accessory organ; it is a primary organ involved in digestion.

Front

What is the role of saliva in digestion?

Back

Saliva contains enzymes that begin the chemical digestion of carbohydrates and helps in forming the bolus for swallowing.

Front

What is the function of the pancreas in digestion?

Back

The pancreas produces digestive enzymes and bicarbonate, which help in the digestion of proteins, fats, and carbohydrates in the small intestine.

Front

What is the primary function of the liver in digestion?

Back

The liver produces bile, which is essential for the emulsification and digestion of fats.

Front

What is the role of the gallbladder in digestion?

Back

The gallbladder stores and concentrates bile produced by the liver until it is needed in the small intestine.

Front

What is chemical digestion?

Back

Chemical digestion is the process by which food is broken down into simpler nutrients by enzymes and acids.