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The left ventricle of human heart has its wall more thicker than the right ventricle because

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Important Questions on Circulation

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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 23
The specialized tissue concerned with the stimulation and the regulation of heart beat is
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 24
Impulse is initiated in which chamber of the heart?
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 25
When the SA node is stimulated, the chambers of the heart which contract are the:
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 26
If the pacemaker is absent in the heart:
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 27
Heart beats are controlled by tissue which is composed of
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 28
In the conducting system of cardiac activity, the components of conducting system are connected as
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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 29

Identify 1, 2, 3, 4 in the diagram of the conducting system of Human heart given below.

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MHT-CET TRIUMPH Biology Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Circulation>Critical Thinking>Q 30
Cardiac cycle is formed of                   phases.