Digestive System: Ingestion to Egestion

Front

What is the primary function of the digestive system?

Back

To process food, breaking it down into nutrients the body can use, and removing waste materials.

Front

What is ingestion in the digestive process?

Back

The entry of food into the mouth.

Front

What are the two types of digestion?

Back

Mechanical digestion (chewing and swallowing) and chemical digestion (enzymes and acids breaking food into smaller molecules).

Front

What happens during absorption in digestion?

Back

Nutrients are absorbed through the small intestine’s lining into the bloodstream.

Front

What is assimilation in the digestive process?

Back

Cells use absorbed nutrients for energy, growth, and repair.

Front

What is egestion?

Back

The removal of undigested food and waste through defecation.

Front

What is the function of the mouth in digestion?

Back

Ingestion, initial mechanical digestion (chewing), and saliva enzyme action.

Front

How does the esophagus function in digestion?

Back

It transports food to the stomach via peristalsis.

Front

What role does the stomach play in digestion?

Back

It mixes food with acids and enzymes to break it into chyme.

Front

What is the primary site of nutrient digestion and absorption?

Back

The small intestine.