Lub Dub (Valves)

No more beating the pavement to find a virtual model of the human heart. See one in continual real-time motion, and layer it to highlight electrical impulses, blood flow, and valve activity. 

Do you know what doesn't stink? This resource! The video explains how people can smell, when they start smelling, and the changing idea of how many different smells individuals can identify. It introduces the concept of olfactory...

Small groups use the knowledge learned about the heart to design and build a prototype of an artificial heart valve. The teams demonstrate the functionality of their valve. They are also responsible for creating a pamphlet that describes...

In this unit, students learn about the form and function of the human heart through lecture, research and dissection. Following the steps of the Legacy Cycle, students brainstorm, research, design and present viable solutions to various...

Begin a unit on the heart, the parts and the function of the heart, and about heart disease with a resource that includes a lecture, a PowerPoint presentation, and research information.  The lesson is the first of a four-part series and...

Ever wonder why the heart sounds the way that it does? Opening and closing of heart valves makes the heart rhythm come alive with its lub dub beats. Rishi is a pediatric infectious disease physician and works at Khan Academy. [9:50]

Under pressure! The second instructional activity of the series introduces the class to blood pressure and the impact of high blood pressure on the cardiovascular system. It helps learners make the connection between blood pressure and...

Explore aortic valve stenosis, the improper closure of the aortic valve. Content describes what aortic regurgitation is with an animation, what causes it, and what can be done for this irregularity.

With this resource, visitors can learn how the heart works and about the parts of the heart, the circulation of blood and heart health. The resource is also available in Spanish. Includes audio.

Find out more about systolic murmurs, diastolic murmurs, and extra heart sounds. [14:39]