Propagation of a nerve impulse Slideshow Play

Propagation of impulses Slideshow Play

Proprioreceptors – muscle spindles Student activity Play

Proteins Whiteboard presentation Play

Proteins Class activity Play

Puberty in males Slideshow Play

Radio waves Student activity Play

Radio waves and microwaves Student activity Play

Reaction of iron(III) chloride with potassium iodide Animation Play

Reactions occurring at the electrodes Student activity Play

Reactions of commercially available galvanic cells Slideshow Play

Reactions that occur at the electrodes Student activity Play

Reactions that occur at the electrodes Glossary Play

Receptors activation thresholds Whiteboard exercise Play

Recombination in bacteria Animation Play

Regulation of gene expression Slideshow Play

Regulation of gene expression in eukaryotes Student activity Play

Regulation of the cell cycle Animation Play

Reproduction by cell division Student activity Play

Reproduction by cell division Whiteboard exercise Play

Reproductive cells Animation Play

Resistors Whiteboard presentation Play

Resistors Class activity Play

Role of acetylcholine in conducting nerve impulses Animation Play

Role of the nervous system in homeostasis Student activity Play