Q:

What is meant by the “pulmonary circulation”? The flow of blood:

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What is meant by the “pulmonary circulation”? The flow of blood:


  1. out the aorta and back through the vena cavae.
  2. from the heart through the lungs and back to the heart.
  3. into the coronary arteries and back through the coronary sinus.
  4. into the vena cavae and out to the pulmonary trunk via the right ventricle.

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B: The pulmonary circulation refers to the flow of blood from the heart (via the pulmonary trunk) through the lungs and back to the heart.

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