Professor Pholman Is Lecturing About the Reflex Arc

question 88

Multiple Choice

 Professor Pholman is lecturing about the reflex arc. He tells his students that _____ in the ______ help coordinate contraction of certain muscles and relaxation of others.

• A) motor neurons; spinal cord
• B) interneurons; spinal cord
• C) motor neurons; peripheral nervous system
• D) sensory neurons; peripheral nervous system

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Definitions:

Heat Shrink Tubing

A type of tubing that shrinks in diameter when heated, used for insulating wires and protecting connections.

Electrical Tape

Insulating tape used to protect and insulate electrical wires and other materials that conduct electricity.

Electrostatic Discharge

The sudden flow of electricity between two electrically charged objects caused by contact, an electrical short, or dielectric breakdown.

DC Motors

Electric motors that run on direct current electricity, commonly used in various applications from small toys to large vehicles.