Compared to blood, our lymph has:
Correct answer: B. More WBCs and no RBCs
- A. Plasma without proteins
- B. More WBCs and no RBCs
- C. More RBCs and less WBCs
- D. No plasma
Explanation
Lymph has more WBCs and no RBCs compared to blood. White blood cells (WBCs): WBCs are the main cells of the immune system. They help the body to fight off infection. Lymph contains a higher concentration of WBCs than blood does. Red blood cells (RBCs): RBCs are the cells that carry oxygen to the tissues. Lymph does not contain any RBCs.
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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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