When blood leaves the lungs and reaches the tissues, the PO₂decreases and the P₅₀level of O₂will:

Question

Quizplus · Accepted Answer

When blood leaves the lungs and reaches the tissues, the partial pressure of oxygen (PO2) decreases due to oxygen being used by the cells in the tissues. This decrease results in a lower oxygen saturation level (PSO2) in the blood. Therefore, both PO2 and PSO2 will decrease when blood leaves the lungs and reaches the tissues.

When Blood Leaves the Lungs and Reaches the Tissues, the PO2

When Blood Leaves the Lungs and Reaches the Tissues, the PO₂