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CISCE(English Medium) ICSE Class 10
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Syllabus

Electrical activity of heart starts at ______.

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Question

Electrical activity of heart starts at ______.

Fill in the Blanks
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Solution

Electrical activity of heart starts at SA node.

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Q 5.
Chapter 8: Circulatory System - EXERCISE [Page 139]

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Lakhmir Singh Biology [English] Class 10 ICSE
Chapter 8 Circulatory System
EXERCISE | Q 5. | Page 139
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