Test: Digestive System - Year 11 MCQ

Breaking down large molecules into smaller ones through chemical reactions

Breaking down food into smaller pieces without changing its chemical structure

Absorbing nutrients into the bloodstream

Eliminating undigested food from the body

Ingestion

Mechanical Digestion

Chemical Digestion

Absorption

Ingestion

Mechanical Digestion

Chemical Digestion

Absorption

Mouth

Stomach

Small Intestine

Large Intestine

To chemically break down food into smaller molecules

To absorb nutrients into the bloodstream

To eliminate undigested or unabsorbed food material from the body

To churn and mix food with digestive juices

Chemical Digestion, breaking down proteins

Mechanical Digestion, breaking down food into smaller pieces

Absorption, absorbing nutrients into the blood

Assimilation, using nutrients for body functions

Mechanical Digestion

Chemical Digestion

Absorption

Egestion

Ingestion

Mechanical Digestion

Assimilation

Egestion

Mouth

Stomach

Small Intestine

Large Intestine

Ingestion involves taking in food; egestion involves removing undigested food.

Ingestion breaks down food chemically; egestion absorbs nutrients.

Ingestion occurs in the small intestine; egestion occurs in the stomach.

Ingestion involves the absorption of nutrients; egestion involves the action of enzymes.