The frequency of heart beat in our body is maintained by

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The frequency of heart beat in our body is maintained by

Options

(a) AV node
(b) SA node
(c) Node of Ranvier
(d) Chordae tendineae

Correct Answer:

SA node

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Human Body Fluids and Excretory Products (197)
Subject: Biology (4253)

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