Double circulatory system in mammals Animation Play

Drawing four balls from the bowl Whiteboard exercise Play

Drawing three balls Animation Play

Drawing three balls from the bowl Whiteboard exercise Play

Drugs affecting the nervous system Slideshow Play

Drugs and the nervous system Slideshow Play

Dynamic state of chemical equilibrium Student activity Play

Early atomic theories Whiteboard exercise Play

Early atomic theories 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 number of gas particles on the pressure 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

Egyptian notation Animation Play

Electric field of a system of point charges Student activity Play

Electric field of a system of point charges Whiteboard exercise Play

Electric field of a system of point charges Slideshow Play

Electron configuration of an iron Animation Play

Electron shells and subshells Whiteboard exercise Play

Electron shells and subshells (2) Student activity Play

Electron spin. Pauli's exclusion principle Student activity Play

Elements of the thermoregulatory system Whiteboard exercise Play