Susan, Becky, and Sally Are in a Room with Several

question 62

Multiple Choice

Susan, Becky, and Sally are in a room with several adults. Some of the adults are familiar to the infants and others are not. Sally smiles only at the adults she knows. Susan smiles at any of the adults who attract her attention. Becky makes an effort to be with the adults she knows and cries when a familiar adult leaves the room. Which infant is probably the oldest of the three?

• A) Susan
• B) Becky
• C) Sally
• D) All three are approximately the same age.

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Definitions:

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells through electrical and chemical signals.

Circulatory System

The body's system responsible for transporting blood, nutrients, gases, and wastes to and from cells, helps fight diseases and maintain homeostasis.

Exchanges Nutrients

The process by which cells, tissues, or organisms take in nutritional substances and expel waste products.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels.