Multiple choice

In human beings, the pulmonary artery carries venous blood from the right ventricle of the heart to the lungs. It originates from the

  1. septomarginal trabecula

  2. conus arteriosus

  3. crista terminalis

  4. limbus of the fossa ovalis

  5. fossa ovalis
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B Correct answer
Explanation

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

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