TED-Ed
TED-ED: How the heart actually pumps blood - Edmond Hui
For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...
Curated Video
How the Heart Contracts - Step by Step
Let's dive into the cardiac action potential and how it results in the contraction of the heart. We'll talk about the signal that starts at the SA node and spreads throughout the heart. We'll also get into the phases of depolarization,...
Professor Dave Explains
A Journey Through the Heart
We've learned about the structure and function of the heart, but what does it really look like in there? What would it be like to be a red blood cell, and swim around, from atrium to ventricle, in and out the major arteries and veins?...
Science360
Bioengineering infant heart patches with the baby’s own heart cells - Science Nation
Regenerative approach aims to provide full heart function to infants, without need for lifelong operations
Description: Bioengineer Jeff Jacot is working on an idea that could transform the medical approach to infants with complex and...
TED Talks
Ted Ed: How the Heart Actually Pumps Blood
For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...
Khan Academy
Khan Academy: Changing the Pv Loop: Stroke Work in Pv Loops and Boxes
Watch how PV loops can be "morphed" into PV boxes to make drawing them and thinking about them much simpler. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Changing the Pv Loop: Arterial Elastance (Ea) and Preload
Understand how EA is affected by changes in preload, and in turn, how the PV loop can shift. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Heart Muscle Contraction: Sympathetic Nerves Affect Myosin
Check out how the amount of Myosin that is tugging on your heart can change depending on your activity level. Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:02]
About Kids Health
About Kids Health: Exploring the Heart: The Circulatory System
Animated interative that teaches young readers about the circulatory system, anatomy of the heart, and how the heart functions.