Answer:
Normal vital sign ranges for the average healthy adult while resting are: Blood pressure: 90/60 mm Hg to 120/80 mm Hg. Breathing: 12 to 18 breaths per minute. Pulse: 60 to 100 beats per minute.
Explanation:
Blood in the pulmonary vein is oxygen rich, while in all of the other veins, it is oxygen poor.
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