NEETZoologyBody Fluids and Circulation
What is the function of the inter-atrial septum in the human heart?
Options
- ATo separate the right and left ventricles
- BTo separate the right and left atria
- CTo initiate and maintain rhythmic contractile activity
- DTo divide into right and left bundle
Correct answer
B. To separate the right and left atria
Step-by-step solution
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.