The Circulatory System — Important Questions
ICSE · Class 8 · Biology
62 important questions from The Circulatory System for ICSE Class 8 Biology, with answers. Part of the ICSE Class 8 Biology syllabus.
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Important Questions from The Circulatory System
Which pair names the upper chambers of the heart?
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Atria
The upper chambers of the heart are called atria.
Which pair names the lower chambers of the heart?
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Ventricles
The lower chambers of the heart are called ventricles.
Which valve guards the opening between the right atrium and the right ventricle?
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Tricuspid valve
The tricuspid valve with three cusps guards the opening between the right atrium and the right ventricle.
Which valve guards the opening between the left atrium and the left ventricle?
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Bicuspid valve
The bicuspid valve with two cusps guards the opening between the left atrium and the left ventricle.
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