"The first heart sound or "lub" results from closure of the tricuspid and mitral valves.
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Posts | 1,948 |
Member Since | 19 Oct 2011 |
Last Visit | 2 Oct 2016 |
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Member Since | 26 Jan 2009 |
Last Visit | 23 Dec 2016 |
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Posts | 8,580 |
Member Since | 26 Jan 2009 |
Last Visit | 23 Dec 2016 |
Likes Given | 7,087 |
Likes Received | 4,679/2,614 |
Posts | 8,580 |
Member Since | 26 Jan 2009 |
Last Visit | 23 Dec 2016 |
Likes Given | 7,087 |
Likes Received | 4,679/2,614 |