It's Midnight,and You Are Alone in Your Room Studying

question 56

Multiple Choice

It's midnight,and you are alone in your room studying.You hear a loud crash outside your room,and your whole body reacts instantly and furiously.The system that produces these reactions is the ________ system.

• A)central nervous
• B)sympathetic nervous
• C)parasympathetic nervous
• D)limbic

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Definitions:

Organism

A living entity characterized by the capacity for metabolism, growth, reaction to stimuli, and reproduction.

Differentiation

The process of identifying and emphasizing the unique characteristics or features of something or someone.

Inner Cell Mass

The mass of cells inside the embryonic blastocyst, from which the embryo and eventually the fetus develop.

Endoderm

Cells of the inner cell mass of the embryo that develop into the digestive system and the lungs.