Timothy Trugden and Biritjalawuy Goṉḏarra explain bacteria, viruses, and the cells of our bodies, as they discuss the tiny microscopic world inside your body that it is attacked by COVID-19.
Heart Attack Story. The video explains; the knowledge gaps in relation to the heart, its function in the body, waht causes heart disease, what is heart failure, and how to respond quickly if a heart attack occurs. Click CC for English translation.