The heart is covered by a protective layer called _______.PleuraPericardiumEpitheliumMyocardium
Question
The heart is covered by a protective layer called _______.
- Pleura
- Pericardium
- Epithelium
- Myocardium
Solution
The heart is covered by a protective layer called the Pericardium.
Explanation:
- The pericardium is a double-walled sac that contains the heart and the roots of the great vessels. It serves several important functions, including protecting the heart from trauma and infection, anchoring it within the thorax, and preventing the heart from over-expanding when blood volume increases.
- The pleura is related to the lungs, epithelium refers to a type of tissue, and myocardium is the muscular tissue of the heart itself. Thus, pericardium is the correct term to refer to the protective layer surrounding the heart.
In summary, the correct answer to fill in the blank is Pericardium.
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