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If a heart lacked gap junctions, an organ-level contraction would occur.True/False

If a heart lacked gap junctions, an organ-level contraction would occur.True/False

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1) If a heart lacked gap junctions, an organ-level contraction would occur.True/False

2) We care about mean arterial pressure specifically because we care about having an appropriate rate of blood flow through capillaries. True/False

3) A person's L-type channels are mutated so that they do not inactivate.  How would this affect the time duration of a cardiac action potential?

Group of answer choices
a)Increase
b)No change
c)Decrease
 
4) A person's L-type channels are mutated so that they do not inactivate.  How would this affect the time duration of a cardiac muscle cell contraction?
Group of answer choices
a)Increase
b)No change
c)Decrease
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