Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Arteries and arterioles Student activity Play

Cross-section through the trachea Illustration Play

Layers of the wall of the alimentary canal Slideshow Play

Reabsorption Animation Play

Reabsorption and tubular secretion Student activity Play

Secretion Animation Play

Sponges (Porifera) – the simplest invertebrates Student activity Play

Structure and functions of the stomach Slideshow Play

Structure of an artery Slideshow Play

Structure of sponges Slideshow Play

The cross-section of an artery Whiteboard exercise Play

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

The structure of the wall of the alimentary canal Student activity Play

The trachea – a tube of variable diameter Student activity Play

The trachea – a tube of variable diameter Whiteboard exercise Play