Question

1. challenge: the pulmonary arteries carry blood from the right ventricle to the right and left lungs. the pulmonary veins carry blood from the lungs back to the left atrium. locate these blood vessels, and use the syringe to take a blood sample from each.

a. how is the blood in the pulmonary arteries different from blood in other arteries?
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b. how is the blood in the pulmonary veins different from blood in other veins?
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Explanation:

For part A:

• In general, arteries carry oxygen - rich blood. But the pulmonary artery is an exception.
• It carries deoxygenated blood from the right ventricle to the lungs for oxygenation.

For part B:

• Usually, veins carry deoxygenated blood. However, the pulmonary vein is different.
• It carries oxygenated blood from the lungs to the left atrium.

Answer:

A. The blood in the pulmonary arteries is deoxygenated, while blood in other arteries is oxygenated.
B. The blood in the pulmonary veins is oxygenated, while blood in other veins is deoxygenated.