The pulmonary circuit
A) sends oxygen-poor blood to the heart.
B) brings oxygen-poor blood from the tissues.
C) sends oxygen-poor blood to the lungs.
D) brings oxygen-rich blood to the tissues.
E) does none of the above.

Question

Quizplus · Accepted Answer

The pulmonary circuit is responsible for sending oxygen-poor blood to the lungs for oxygenation and then returning oxygen-rich blood to the heart. Choice A is incorrect because the systemic circuit sends oxygen-poor blood to the heart. Choice B is incorrect because the systemic circuit brings oxygen-poor blood from the tissues. Choice D is incorrect because the systemic circuit brings oxygen-rich blood to the tissues. Choice E is incorrect because the pulmonary circuit does indeed do one of the above, which is sending oxygen-poor blood to the lungs.

The Pulmonary Circuit