Different systems of blood grouping Whiteboard exercise Play

Discontinuous and continuous variation Student activity Play

Discontinuous variation Student activity Play

Discontinuous variation Student activity Play

Division of blood cells Illustration Play

Dynamic equilibrium Student activity Play

Effect of oxygen and carbon dioxide on the respiratory system Animation Play

Effect of physical activity on blood flow through the organs; cardiac output and stroke volume Student activity Play

Effects of changes in blood volume on the volume of excreted urine Simulation Play

Effects of growth hormone on metabolism Slideshow Play

Electron configuration Student activity Play

Embryonal development and specialization of cells Student activity Play

Energy as an essential factor in muscle contraction Student activity Play

Energy necessary for muscles to work Animation Play

Enzymatic method for determining glucose concentration in the blood Student activity Play

Erythropoiesis Animation Play

Establishing systematics – the work has only just begun Student activity Play

Exchange mechanism in capillaries Animation Play

Excluded population groups Whiteboard exercise Play

Filtration Animation Play

Filtration Animation Play

Finding the five-number summary Student activity Play

Finding the median Whiteboard exercise Play

Flagellated parasites Student activity Play

Flowering plants organs Whiteboard presentation Play