Chronic obstructive pulmonary disease.

And this is my right pulmonary artery. So this is my right and left pulmonary artery.

Pulmonary flow. So, what does that mean?

Up here you have the pulmonary valve.

And I've drawn it as one tube with no split and this is the pulmonary trunk. Pulmonary trunk.

I'm actually just gonna write that here Pulmonary circulation.

The pulmonary veins drain blood and into the left atrium, right.

And this part of the journey is called the pulmonary circulation.

And remember I call them arteries, because they're going away from the heart. And there are two arteries, so pulmonary arteries left and right pulmonary arteries.

But the actual number could be a few pulmonary veins in total.

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The first is test, re test.

And, finally, test and test it again.

And then it's gonna come out on the other side, in the pulmonary veins.

I've drawn the pulmonary valve as being open, but is that really the case?

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VerificationResultDialog Test