ho7 - BIPN 100 Dr. Fortes Handout 7 OH Wed 4-5 @ Caf Roma...

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BIPN 100 –Dr. Fortes TA Jing Wang Handout 7 jiw004@ucsd.edu OH Wed 4-5 @ Café Roma Heart—cardiac muscle I. Anatomy A. 4 chambers and valves 1. L A and V are responsible for ____________ circulation, as R A & V are responsible for ________________ circulation. 2. Function of valves is to ________________________. There are 2 AV valves, they are ________________, and __________________. There are also 2 semilunar valves, they are ____________, and _________________. 3. Artery carries blood __________ heart, whereas vein carries blood ________ the heart. II. Electrophysiology of heart A. Cardiac muscle fibers: small, ___(mono or multinucleated), electrically connect via “____________________”Provide _____________________, and structure ________________, _____ junction allow electrical current to communicate between cells. Striated structure, both AP duration and contraction duration are 0.2sec, the purpose is to prevent ____________. 0: _____________________________________________ 1: _____________________________________________ 2: _____________________________________________ 3: _____________________________________________ 4: _____________________________________________ B. Nodal fibers: found in ______ node and __________ node. They are _________________ cells.
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This note was uploaded on 04/14/2008 for the course BIPN 100 taught by Professor French during the Winter '07 term at UCSD.

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ho7 - BIPN 100 Dr. Fortes Handout 7 OH Wed 4-5 @ Caf Roma...

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