Removal of inorganic salts from wastewater Animation Play

The alimentary canal – structure and functions Simulation Play

The alimentary canal – structure and functions Student activity Play

The breakdown and removal of cholesterol Slideshow Play

The breakdown of protein Animation Play

The buccal cavity – ingestion and mechanical breakdown of food Student activity Play

The buccal cavity – ingestion and mechanical breakdown of food Whiteboard exercise Play

The liver – role in the breakdown and removal of toxins Whiteboard exercise Play

The liver – role in the breakdown and removal of toxins Student activity Play

The processes involved in the carbon cycle Whiteboard exercise Play

The role of enzymes in chemical digestion Animation Play

The small intestine – further digestion and absorption of carbohydrates; proteins and fats Student activity Play

The stomach – further mechanical breakdown and digestion of proteins Student activity Play

What does digestion involve? Student activity Play

What is anaerobic respiration? Student activity Play

What is digestion? Animation Play