5. the sequence of events in the action potential in a contractile fiber of the heart. (Include the events in the ion channels involved.) (1a) norepinephrine from the Sympathetic Division of the ANS stimulates a given conducting myofiber or contractile cardiac muscle cell to depolarize; or,
Actress | Producer. Patridge was born in Los Angeles, California, to Lynn (Clelland) and Mark Patridge, and is the eldest of four children. She has English, German, Belgian (Walloon and Flemish), Italian, and Polish ancestry.
Actress | Soundtrack. Audra McDonald was born on July 3, 1970 in Berlin, Germany as Audra Ann McDonald. She is an actress, known for Private Practice (2007), Wit (2001) and Annie (1999). She has been married to Will Swenson since October 6, 2012. She was previously married to Peter Donovan. See full bio Â».