Multiple choice

In humans, the pulmonary artery originates from:

  1. fossa ovalis

  2. limbus of the fossa ovalis

  3. crista terminalis

  4. conus arteriosus

  5. septomarginal trabecula
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D Correct answer
Explanation

It is a conical extension of the right ventricle in the heart of mammals from which the pulmonary artery originates.

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