threshold resting membrane potential decrease calcium channels increase action potentials The autonomic nervous system influences the heart rate. A sympathetic signal (norepinephrine) results in opening. This accelerates the process of reaching , thereby resulting in a in time between successive action potentials. A parasympathetic signal (acetylcholine) results in the dropping to -70mV. This results in an in time for cells to reach threshold, thereby increasing the time between successive
threshold resting membrane potential decrease calcium channels increase action potentials The autonomic nervous system influences the heart rate. A sympathetic signal (norepinephrine) results in opening. This accelerates the process of reaching , thereby resulting in a in time between successive action potentials. A parasympathetic signal (acetylcholine) results in the dropping to -70mV. This results in an in time for cells to reach threshold, thereby increasing the time between successive
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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Question
![threshold
resting membrane potential
decrease
calcium channels
increase
action potentials
The autonomic nervous system influences the heart rate. A sympathetic signal (norepinephrine) results in
opening. This
accelerates the process of reaching
thereby resulting in a
in time between successive action
potentials. A parasympathetic signal (acetylcholine) results in the
dropping to -70mV. This results in an
in time for cells to reach threshold, thereby increasing the time between successive](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F53083124-3bd2-451e-8d96-efadb662cb23%2Faa37a1bf-f94b-4ccf-a0ee-70cbc4dd18c9%2Foytwcpo_processed.png&w=3840&q=75)
Transcribed Image Text:threshold
resting membrane potential
decrease
calcium channels
increase
action potentials
The autonomic nervous system influences the heart rate. A sympathetic signal (norepinephrine) results in
opening. This
accelerates the process of reaching
thereby resulting in a
in time between successive action
potentials. A parasympathetic signal (acetylcholine) results in the
dropping to -70mV. This results in an
in time for cells to reach threshold, thereby increasing the time between successive
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