In a healthy human at rest, what is the approximate O₂ saturation of venous blood as it is leaving the tissues?

Name: In a healthy human at rest, what is the approximate O 2 saturation of venous blood as it is leaving the tissues?
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Quizplus · Accepted Answer

In a healthy human at rest, venous blood leaving the tissues typically has an oxygen saturation of about 75%, as it has released some, but not all, of its oxygen to the tissues.

In a Healthy Human at Rest, What Is the Approximate