The lymph serves to:
Correct answer: A. Return the interstitial fluid to the blood
- A. Return the interstitial fluid to the blood
- B. Return the WBCs and RBCs to the lymph nodes
- C. Transport CO2 to the lungs
- D. Transport O2 to the brain
Explanation
Lymph collects excess interstitial fluid, containing water, proteins, and wastes, and returns it to the blood, maintaining fluid balance in tissues.
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About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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