Structure and functions of the small intestine Animation Play

Structure of a starfish – a typical echinoderm Slideshow Play

Structure of enzymes Animation Play

Temperature and pH Animation Play

The breakdown of protein Animation Play

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

The chloroplast Slideshow Play

The circulatory system Student activity Play

The digestive enzymes Whiteboard exercise Play

The digestive system Student activity Play

The digestive system Whiteboard exercise Play

The enzymes in nucleic acid digestion Whiteboard exercise Play

The enzyme–substrate complex Student activity Play

The Golgi complex and lysosomes Student activity Play

The human alimentary system Class activity Play

The human alimentary system Whiteboard presentation Play

The importance of fibre Student activity Play

The importance of mineral ions Student activity Play

The liver Simulation Play

The liver Student activity Play

The mouth and gullet Student activity Play

The need for food Whiteboard exercise Play

The need for food Student activity Play

The origin of life on Earth Class activity Play

The origin of life on Earth Whiteboard presentation Play