Sinuatrial node (SA) is the pacemaker of the heart because: a. It has the largest rate of activity O b. It has the largest resting membrane potential O c. Is has autonomic innervations O d. It is affected by hormones O e. It is protected by surrounding tissues

Ciccarelli: Psychology_5 (5th Edition)
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ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
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Chapter1: The Science Of Psychology
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Sinuatrial node (SA) is the pacemaker of the heart because:
6"
Sinuatrial node (SA) is the pacemaker of the heart because:
O a. It has the largest rate of activity
out of
b. It has the largest resting membrane potential
O c. Is has autonomic innervations
O d. It is affected by hormones
O e. It is protected by surrounding tissues
Next page
us page
Transcribed Image Text:6" Sinuatrial node (SA) is the pacemaker of the heart because: O a. It has the largest rate of activity out of b. It has the largest resting membrane potential O c. Is has autonomic innervations O d. It is affected by hormones O e. It is protected by surrounding tissues Next page us page
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