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
• Sympathetic Nerves Affect Myosin Activity