The Heart, Part 1 - Under Pressure: Crash Course Anatomy & Physiology #25
10:08
YouTubeCrashCourse
The Heart, Part 1 - Under Pressure: Crash Course Anatomy & Physiology #25
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from the heart to the body through your arteries and bring it back to the heart through your ...
7.5M viewsJul 6, 2015
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