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Khan Academy: The Heart

The Heart
2012-10-25 18:43:00

Our Medical Fellow, Dr. Rishi Desai, has created three new video series on how the heart operates. Meet the heart! More new videos about The Heart: Flow through the Heart Lub Dub Layers of the Heart Arteries vs. Veins - What’s the difference? What is blood pressure? Learn how a stethoscope can help determine blood pressure Circulatory System and the Heart Also, learn about how nerves regulate your heart’s activity: Getting a New Heart More new videos about Nerve Regulation of the Heart: Changing the AV Node Delay - Chronotropic Effect Changing the Heart Rate - Chronotropic Effect Increasing Ventricular Contractility - Inotropic Effect Autonomic Nervous System Effects on the Heart And learn about heart muscles and what happens when they contract: Three Types of Muscle More new videos about Heart Muscle Contraction: Heart Cells Up Close! Myosin and Actin Tropomyosin and troponin and their role in regulating muscle contraction Calcium Puts Myosin to Work…

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