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The wall of human heart is thick, due to presence of 
 

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Important Questions on Body Fluids and Circulation

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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 83
 The pulmonary aorta aries from:
 
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 84
When the right ventricle of the human heart contracts, then blood is pumped into:
 
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 85
Bundle of His originates from:
 
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 86
 The small oval depression found on the inter-auricular septum in adult humans is termed:
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 87
Purkinje fibres mainly help in the contraction of:
 
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 88
The heart of a human does not have:
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 89
The rate of heart beats per minute is highest in the case of:
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Beta Question Bank for Medical: Biology>Chapter 18 - Body Fluids and Circulation>EXERCISE- I (Conceptual Questions)>Q 90
Blood supply to heart musculature is Via :-