What Does the Sympathetic Nervous System Do

question 231

Multiple Choice

What does the sympathetic nervous system do?

• A) It controls the muscles of the face.
• B) It controls the muscles of the arms and legs.
• C) It readies the body for vigorous emergency actions.
• D) It decreases heart rate and promotes digestion.

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Definitions:

Pupil

The adjustable opening in the center of the eye through which light enters and is focused on the retina.

Velocity

A physical vector quantity that represents the rate of change of position of an object with direction.

Flexibility

The ability to adapt to new, different, or changing requirements, conditions, or situations with ease and speed.

Lens

A curved piece of glass or other transparent materials used in optical devices to converge or diverge light.