Organization of the Nervous System

Front

What part of the brain stem merges into the spinal cord?

Back

Medulla oblongata

Front

What is the function of sensory neurons in response to a sharp object?

Back

They send a nervous impulse to the spinal cord.

Front

What is the immediate response when a person is cut by a sharp object?

Back

A reflex response that causes various muscles to contract to move away from the object.

Front

Which part of the brain stem is known as the bridge and relays information from the cerebrum to the cerebellum?

Back

Pons

Front

What major part of the brain controls balance and equilibrium?

Back

Cerebellum

Front

What are the two major divisions of the central nervous system?

Back

Brain and spinal cord.

Front

What are the two major divisions of the peripheral nervous system?

Back

Autonomic and somatic systems.

Front

What is the role of the cerebrum?

Back

It is responsible for higher brain functions, including thought and action.

Front

What is a reflex action?

Back

An involuntary and nearly instantaneous movement in response to a stimulus.

Front

What is the function of motor neurons?

Back

They transmit impulses from the spinal cord to muscles to produce movement.