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  • Which of the following chambers of the mammalian heart is the sinus venosus believed to have fused with?Option: 1 The righ

Which of the following chambers of the mammalian heart is the sinus venosus believed to have fused with?

Option: 1

The right auricle


Option: 2

The left auricle


Option: 3

The right ventricle


Option: 4

The left ventricle


Answers (1)

best_answer

In mammalian development, the sinus venosus is an early structure that eventually merges with the wall of the right atrium, which is also known as the right auricle. The sinus venosus originally receives blood from the veins returning deoxygenated blood to the heart. As the heart develops, the sinus venosus becomes incorporated into the right atrium, forming a part of its structure.Hence, the correct answer is option 1.

Posted by

Shailly goel

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