Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer ...
Blood Vessels, part 1 - Form and Function: Crash Course A&P #27
Paul Andersen surveys the circulatory system in humans. He begins with a short discussion of open and closed circulatory systems and 2,3, and 4-chambered ...
The Circulatory System
A video lesson explaining the structure and function of human heart in Hindi.
Structure and function of human heart Hindi