TED Talks
TED: The breakthrough science of mRNA medicine | Melissa J. Moore
The secret behind medicine that uses messenger RNA (or mRNA) is that it "teaches" our bodies how to fight diseases on our own, leading to groundbreaking treatments for COVID-19 and, potentially one day, cancer, the flu and other ailments...
msvgo
Disorders of the Circulatory System
It describes the causes, consequences and treatments for common disorders of the human circulatory system.
Khan Academy
Khan Academy: Systolic Murmurs, Diastolic Murmurs, and Extra Heart Sounds Pt 1
This video goes through the mechanisms of various types of heart murmurs. Be sure to listen to the different types of heart murmurs at the beginning of the video. [12:06]