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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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A thin, muscular wall called the ____________________ separates the right and the left atria, whereas a thick-walled, ____________________ (H) , separates the left and the right ventricles. The atrium and the ventricle of the same side are also separated by a thick fibrous tissue called the _______________________ .

image
( a ) atrio-ventricular septum, inter-ventricular septum; interatrial septum
( b ) inter-ventricular septum, atrio-ventricular septum; interatrial septum
( c ) interatrial septum, atrio-ventricular septum; inter-ventricular septum
( d ) interatrial septum, inter-ventricular septum; atrio-ventricular septum
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1 Answer

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(D) is the right answer.

A thin, muscular wall called the interatrial septum separates the right and the left atria, whereas a thick-walled, the inter-ventricular septum, separates the left and the right ventricles. The atrium and the ventricle of the same side are also separated by a thick fibrous tissue called the atrio-ventricular septum. However, each of these septa are provided with an opening through which the two chambers of the same side are connected.
answered Mar 26, 2014 by pady_1
 

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