Developmentalists Think That It Is Possible That Virtual Environments Such

question 51

Multiple Choice

Developmentalists think that it is possible that virtual environments such as Whyville.net might serve as _________________ for "tweens."

• A) an identity crisis.
• B) a dangerous distraction.
• C) a cultural melting pot.
• D) an preferable alternative to real environments.
• E) identity playgrounds.

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Definitions:

Heart Skeleton

Fibrous connective tissue that provides a point of attachment for cardiac muscle cells, electrically insulates the atria from the ventricles, and forms the fibrous rings around the valves.

Electrical Insulation

Materials or systems that prevent the passage of electrical current, used to protect, isolate, and contain electrical conductors.

Atria

The two upper chambers of the heart that receive blood from the veins and pump it to the ventricles.

Depolarization

The process in which a cell's membrane potential becomes less negative, making it more likely to fire an action potential.