In the heart of a frog,the triangular structu | vedclass

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Question

(A) The heart of a frog is a $3$-chambered structure consisting of two atria and one ventricle. It is covered by a membrane called the pericardium. $A

Vedclass · Accepted Answer

Right atrium

Vedclass · Answer

(A) The heart of a frog is a $3$-chambered structure consisting of two atria and one ventricle. It is covered by a membrane called the pericardium. $A$ triangular structure called the sinus venosus joins the right atrium on the dorsal side. It receives blood through the major veins called venae cavae. Therefore,the sinus venosus opens into the right atrium.

In the heart of a frog,the triangular structure called the sinus venosus opens into the $...............$.

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