____________________ Are Structures in Veins That Prevent the Blood from Flowing

question 228

Short Answer

____________________ are structures in veins that prevent the blood from flowing backward.

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Definitions:

Instinctual Behavior

Instinctual behavior refers to actions and reactions that are inherent and automatic in living organisms, driven by innate biological responses rather than learned experience.

Cultural Meaning

The significance or interpretation of practices, symbols, languages, and objects specific to a group, shaping their worldview and behavior.

Pluralistic Society

A social system that acknowledges and allows for diversity within cultural, religious, and political practices.

Ethnic Groups

Groups of people who identify with each other based on shared attributes such as culture, language, religion, ancestry, or history.