What Structure Forms the First Layer of the Heart

question 60

Multiple Choice

What structure forms the first layer of the heart?

• A) Parietal pericardium
• B) Epicardium
• C) Myocardium
• D) Endocardium

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Definitions:

Family Unit

A social group in society typically consisting of parents and their children living together as a single household.

Age Grades

Social categorizations based on age, often used in various cultures to organize community roles and responsibilities according to life stages.

Open-class Societies

Societies characterized by fluidity in social mobility and the absence of rigid caste systems, allowing individuals to change their social status.