Large amounts of net electrical charge are known to accumulate on inhaled aerosols during their generation using commonly-available inhalers. This effect often leads to superfluous deposition in the ...

This engaging Year 9 lesson introduces students to the structure and function of the human respiratory system. Pupils identify the major organs involved in breathing, describe the mechanism of ...

The respiratory system allows air to reach the lungs, from which oxygen enters the blood and circulates to all body cells. This system also removes waste gases from the body and helps prevent disease ...