Auditory, Textual, Visual
Stream, Download and Share
Learn about the human heart and how big it is, how fast and often it beats, and what its job is with this video segment from IdahoPTV's D4K. Get answers to some questions about the human heart's function, size, and speed and what happens to your heart when you get cardiovascular disease.
Visit the D4K web site to learn more about the heart.
© 2015 PBS & WGBH Educational Foundation. All rights reserved.