Digital encoding of analogue signals Student activity Play

Digital image Animation Play

Direct proportion Whiteboard presentation Play

Direct proportion Class activity Play

Discs in the coordinate system Student activity Play

Diseases of the respiratory system Simulation Play

Diseases of the respiratory system Student activity Play

Distance formula in 3-dimensional space Student activity Play

Disturbances in the functioning of the lymphatic system Illustration Play

DNA repair system Animation Play

Double circulatory system in mammals Animation Play

Drugs affecting the nervous system Slideshow Play

Drugs and the nervous system Slideshow Play

Dynamic state of chemical equilibrium Student activity Play

Effect of emotions and physical effort on the respiratory system Animation Play

Effect of external factors on the respiratory system Animation Play

Effect of muscle receptors on the respiratory system Animation Play

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

Effects of physical effort on the functioning of the circulatory system Class activity Play

Effects of physical effort on the functioning of the circulatory system Whiteboard presentation Play

Electric field of a system of point charges Slideshow Play

Electric field of a system of point charges Whiteboard exercise Play

Electric field of a system of point charges Student activity Play

Elements of the thermoregulatory system Whiteboard exercise Play

Embryonic development of the nervous system Student activity Play