For cells to get oxygen,they must have an oxygen partial pressure lower than the arterial blood serving them.

Question

Quizplus · Accepted Answer

For oxygen to diffuse from the arterial blood into the cells, there must be a gradient where the partial pressure of oxygen in the arterial blood is higher than that in the cells. This gradient drives the oxygen into cells where it is lower, facilitating the process of oxygenation at the cellular level.

For Cells to Get Oxygen,they Must Have an Oxygen Partial