Which of the following are found in both arteries and capillaries?
Correct answer: C. Endothelial cells
- A. Connective tissues
- B. Elastic fibres
- C. Endothelial cells
- D. Smooth muscle cells
Explanation
Both arteries and capillaries contain endothelial cells in their walls. Elastic fibres, connective tissues and smooth muscles are present in the walls of arteries, but are absent in capillaries. So correct option is C
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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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