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The myocardium (middle layer)
the pumping and the not pumping? diastollic and systollic?
The pumping action involves the heart's chamber contracting and relaxing. The heart beat is one cycle of the heart going through this contraction and relaxation while pumping blood.
yes
Left ventricle
Heart
heart
yes
SA node because it produce current for the actual pumping of heart. heart funtion on the current
If by "strongest" you ment strongest Pokemon that would probably be Palkia if you ask me.well if you ask me i think it would be arceus which you can get in action replay.
Chambers Street - 2009 was released on: USA: 15 May 2009 (Action On Film Festival)
Because that's exactly what it does !... The heart muscles contract in a pulsing action - pumping blood through arteries and smaller vessels around the body.