Class 11 Biology Body Fluids and Circulation Structure and function of heart

Medium

The nerve-like modified muscle in the right auricle is known as:

A
Lymph node
B
Atrio-ventricular node
C
Pacemaker
D
Bulbus arteriosus

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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulation

Subtopic

Structure and function of heart

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The pulmonary trunk originates from which of the following?

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The opening between the right atrium and the right ventricle is guarded by . . . . . . .

. . . . . . circulates blood to different parts of the body.

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Which organ is known as the reservoir of red blood cells (RBCs)?

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What is a pacemaker?

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