What Is the Primary Function of the Pericardial Sac

question 22

Multiple Choice

What is the primary function of the pericardial sac

• A)to prevent excessive expansion of the heart as it fills with blood
• B)to secrete a fluid that reduces friction while the heart beats
• C)to serve as a reservoir for blood to be used during strenuous exercise
• D)to provide oxygen and nutrients to the heart muscle

---

Definitions:

Direct Sellers

Sellers who sell face-to-face to consumers—typically in their homes—who use products for their personal use.

Socialization

The process by which children acquire the standards, values, and knowledge of their society.

Acquisition

The process of gaining new information or skills through experience, practice, or learning.

Standards

Established levels of quality or achievement that are used as a measure or benchmark.