See how muscle cells in the heart contract by allowing Calcium to flow inside and bringing along some positive charge with it! Rishi is a pediatric infectious disease physician and works at Khan Academy. Created by Rishi Desai.
Watch the next lesson: https://www.khanacademy.org/test-prep/nclex-rn/nclex-rn-circulatory-system/heart-depolarization-ddp/v/reseting-cardiac-concentration-gradients?utm_source=YT&utm_medium=Desc&utm_campaign=Nclex-rn
Missed the previous lesson? https://www.khanacademy.org/test-prep/nclex-rn/nclex-rn-circulatory-system/heart-depolarization-ddp/v/action-potentials-in-pacemaker-cells?utm_source=YT&utm_medium=Desc&utm_campaign=Nclex-rn
NCLEX-RN on Khan Academy: A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at http://creativecommons.org/licenses/by-nc-sa/3.0/us/).
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Former Punjab DGP K P S Gill died Friday at Sir Ganga Ram Hospital (SGRH) in Delhi, after suffering a cardiac arrest.
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