English

______ is the opening of the upper chamber of the heart into the lower chamber. -

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Question

______ is the opening of the upper chamber of the heart into the lower chamber.

Options

  • Atria-ventricular septum

  • Atria-ventricular aperture

  • Sino-auricular aperture

  • Atria-ventricular node

MCQ
Fill in the Blanks

Solution

Atria-ventricular aperture is the opening of the upper chamber of the heart into the lower chamber.

Explanation:

The atrioventricular opening connects each atrium (upper chamber) to the ventricle (lower chamber).

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