The Division of the Nervous System That Allows the Brain

question 224

Multiple Choice

The division of the nervous system that allows the brain and the spinal cord to communicate with the sensory systems of the eyes, ears, skin, and mouth, and allows the brain and spinal cord to control the muscles and glands of the body is called the __________

• A) peripheral nervous system.
• B) central nervous system.
• C) endocrine system.
• D) secondary nervous system.

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Definitions:

Pupil

The black circular opening in the center of the iris of the eye, which varies in size to regulate the amount of light reaching the retina.

"Goose Bumps"

"Goose bumps" occur when tiny muscles at the base of each hair, known as arrector pili muscles, contract and cause the hair to stand up, a reaction to cold or strong emotions.

Neuroglia

Supportive cells in the nervous system that do not conduct electrical impulses but are critical for the care and feeding of neurons.

Neurons

Specialized cells of the nervous system responsible for transmitting electrical impulses throughout the body, facilitating communication between different parts of the body.