Recombination in bacteria Animation Play

Red blood cells Illustration Play

Regulation of blood calcium concentration Animation Play

Regulation of blood calcium concentration Student activity Play

Regulation of blood calcium level Whiteboard exercise Play

Regulation of blood glucose concentration Slideshow Play

Regulation of blood glucose level by glucagon Animation Play

Regulation of blood glucose level by insulin Animation Play

Regulation of blood pH by the kidneys Animation Play

Regulation of blood pH – the role of the kidneys Whiteboard exercise Play

Regulation of blood pH – the role of the kidneys Student activity Play

Regulation of blood volume during haemorrhage Illustration Play

Regulation of glucose concentration in the blood Slideshow Play

Regulation of glucose level in the blood Whiteboard presentation Play

Regulation of glucose level in the blood Class activity Play

Regulation of growth hormone secretion Slideshow Play

Regulation of pH of the blood Slideshow Play

Regulation of the cell cycle Animation Play

Renal filtration Simulation Play

Reproduction by cell division Whiteboard exercise Play

Reproduction by cell division Student activity Play

Reproductive cells Animation Play

Resistors Whiteboard presentation Play

Resistors Class activity Play

Respiratory surfaces Class activity Play