Compared with the interstitial fluid that bathes active muscle cells, blood reaching these cells in arterioles has a----------( Option A.) higher PO₂.
Interstitial fluid
Fluid that is present around cells. It originates from materials that seep from blood capillaries (the smallest type of blood vessel). It facilitates the delivery of nutrients and oxygen to cells as well as the removal of waste products. Older interstitial fluid is replaced as it is produced, and it drains to lymphatic channels.
Salt, fatty acids, glucose, and minerals like calcium, magnesium, and potassium are all present in interstitial fluid. Blood capillaries are where the nutrients in interstitial fluid are obtained. Additionally, metabolic waste products can be stored in interstitial fluid.
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