Respiratory & Circulatory Systems
Breathing – The role of the diaphragm
Observe how the diaphragm moves during inhalation and exhalation.
How COVID-19 attacks the lungs
Observe how the coronavirus attacks the respiratory system and reduces the body’s ability to undergo gaseous exchange, making it difficult for the infected person to breathe.
How does asthma work
Observe what happens during an asthma attack and how it leads to a shortness of breath.