Pericardium prevents the heart from:
Correct answer: A. Over extension
- A. Over extension
- B. Abrasion
- C. Physical trauma
- D. Contraction
Explanation
Pericardium prevents the heart from over extension; Pericardial fluid prevents the heart from abrasion and ribcage prevents it from external physical trauma.
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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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