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The lymph serves to
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- transport oxygen to the brain
- transport carbon dioxide to the lungs
- return the interstitial fluid to the blood
- return the WBCs and RBCs to the lymph nodes
Correct Option: C
An important function of lymph is to return interstitial fluid back to the blood. This interstitial fluid is also called extracellular fluid, which is formed from blood due to various factors, i.e. hydrostatic pressure, osmotic gradient etc.
