Crash Course Biology The Heart

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Published on Jul 6, 2015Your 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 veins. You'll also learn what your blood pressure measurements mean when we talk about systolic and diastolic blood pressure.

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  • Uploaded by: mleduc
  • Upload Date: 01-24-2017 09:02:39
  • Duration: 10:00
  • Views: 51
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  • Categories: Education Science

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