Multiple choice

Which of the following structures is present in the right ventricle of mammals?

  1. Orifice of pulmonary trunk

  2. Orifice of the coronary sinus

  3. Orifice of the inferior vena cava

  4. Orifice of the superior vena cava

  5. Orifice of the tensor veli palatini
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A Correct answer
Explanation

Orifice of pulmonary trunk is also known as the opening of pulmonary trunk in mammals. It is the opening between the pulmonary trunk and the right ventricle of the mammalian heart.

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