The sino- atrial node is the normal pacemaker of the human heart because
(a) It is located in the right atrium
(b) It is only part of conducting system that can generate impulse
(c) It can generate the maximum number of action potential in conducting system
(d) It produced action potential that are more in size than other part of the conducting system
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Answer:
b) It is the only part of the conducting system that generates impulse.
Explanation:
Because It generates impulse for the beat of the heart
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