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1. Decreasing heart rate is under the control of what nervous division?

1. Decreasing heart rate is under the control of what nervous division?

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. Decreasing heart rate is under the control of what nervous division? 2. What is the resting heart rate of the average person? 3. Are there more sodium ions inside or outside a cardiac muscle cell during the resting membrane potential? 4. What happens to sodium ions when a membrane depolarizes? 5. What region in the heart depolarizes spontaneously? 6. What happens to the heart when an action potential is generated in the SA node? 7. The movement of electrochemical impulses in the myocardium is called conduction.
Transcribed Image Text:1. Decreasing heart rate is under the control of what nervous division? 2. What is the resting heart rate of the average person? 3. Are there more sodium ions inside or outside a cardiac muscle cell during the resting membrane potential? 4. What happens to sodium ions when a membrane depolarizes? 5. What region in the heart depolarizes spontaneously? 6. What happens to the heart when an action potential is generated in the SA node? 7. The movement of electrochemical impulses in the myocardium is called conduction.
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