Under quiet conditions, blood returning from the tissues retains about ________ of the oxygen content it had when it left the lungs.

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asked Jul 7, 2022 57.8k views

1 Answer

Philibert Perusse · Answer 1 · 2022-07-14T02:35:27+0000

under quiet conditions, blood returning from the tissues retains about should be low of the oxygen content it had when it left the lungs.