The superior region of the right ventricle narrows before it leads into the ______. Multiple choice question.

The right ventricle pumps deoxygenated blood into the pulmonary trunk, which leads toward the lungs and bifurcates into the left and right pulmonary arteries.

What is Pulmonary trunk ?

The pulmonary trunk is a major vessel of the human heart that originates from the right ventricle. It branches into the right and left pulmonary arteries, which lead to the lungs.

It divides into the left and right pulmonary arteries, which carry blood with relatively low oxygen content and high carbon dioxide content into the lungs.

The pulmonary trunk is approximately 50 mm long and 30 mm wide (most authors use 29 mm in males and 27 mm in females (axial width) as the cut-offs of normal 1,5).

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