Q: What is the name of the double membrane sac that acts as a protective layer for the human heart?

A Plura
B Kura
C Epicardium
D Pericardium

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Answer: D

Explanation:

The heart is surrounded by a double membrane sac known as the pericardium, which is the outermost protective layer of the heart. The pericardium consists of an inner double layer of serous membrane and an outer fibrous layer. The pericardium helps to protect the heart and prevent it from overexpansion. The other options listed in the question are not related to the protective layer of the heart. The plura refers to the double-layered membrane that surrounds the lungs and lines the chest cavity. The kura is not a medical term. The epicardium refers to the outermost layer of the heart wall, which is part of the heart itself and not a protective layer. Therefore, the correct answer is option D, Pericardium.

Q: What is the name of the double membrane sac that acts as a protective layer for the human heart?

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