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Question

Which statement is true for structure of human heart?
  1. There is a bicuspid valve between right atrium and right ventricle
  2. The walls of atria are thin while the wall of ventricles are thick
  3. There is a tricuspid valve between left atrium and left ventricle
  4. The upper two chambers of heart is called ventricles and lower two chambers is called atria

A
The walls of atria are thin while the wall of ventricles are thick
B
There is a tricuspid valve between left atrium and left ventricle
C
The upper two chambers of heart is called ventricles and lower two chambers is called atria
D
There is a bicuspid valve between right atrium and right ventricle
Solution
Verified by Toppr

The walls of the atria are thin, while the walls of the ventricles are thick.
The atria receive blood from the various parts of the body and the ventricles pump blood to various parts of the body, pumping requires more pressure and force. So, to withstand the pressure, the walls of the ventricles are thicker than the walls of the atria.
Thus, the correct answer is option A.

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Similar Questions
Q1

The valve situated between the left atrium and the left ventricle is called

(1) Bicuspid valve (2) Tricuspid valve (3) Mitral valve (4) Eustachian tube


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Q2
Go through the following statements:

(i) Lower chambers of the heart are called atria.
(ii) Upper chambers of the heart are called ventricles.
(iii)There are no valves in the heart.

Which among the following option is correct?
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Q3
The valve is found between the right atrium and right ventricle while the valve is found between the left atrium and left ventricle.
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Q4
The _____ valve is found between the right atrium and right ventricle while the _____ valve is found between the left atrium and left ventricle.
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Q5
Which chamber of the heart has the thickest wall?
(a) Right atrium
(b) Left atrium
(c) Left ventricle
(d) Right ventricle
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