Q.146. Which of the following is an incorrect comparison
between different chambers of heart?
(1) Right atrium: Receives blood through 3 openings
Left atrium: Receives blood through pulmonary veins with four openings
2) Right ventricle: Myocardium layer is less thick
Left ventricle: Myocardium layer is thicker
(3) Left atrium: Receives oxygenated blood
Right ventricle: Receives deoxygenated blood
(4) Right atrium: The opening between right atrium and right ventricle is guarded by mitral valve
Left ventricle : The opening between left atrium and left ventricle is guarded tricuspid valve

Dear student.

The incorrect option is 4.

The mitral valve or left atrioventricular valve lies between the left atrium and the left ventricle.
Tricuspid valve is located between the right auricle and right ventricle that allows movement of blood from right auricle into the right ventricle. 


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