A&P Nervous System 9.1-9.10

Front

What are the three basic functions of the nervous system?

Back

Sensory input, integration, motor output.

Front

Which organs are part of the central nervous system?

Back

Brain and spinal cord.

Front

What type of neuroglial cells form the myelin sheath in the CNS and PNS?

Back

Oligodendroglia in the CNS and Schwann cells in the PNS.

Front

What is the primary function of afferent neurons?

Back

Bringing sensory information from the sensory organs to the central nervous system.

Front

What are the two divisions of the Peripheral Nervous System?

Back

Somatic and autonomic.

Front

What is the role of sensory neurons?

Back

To transmit sensory information from receptors to the central nervous system.

Front

What is the function of motor neurons?

Back

To carry signals from the central nervous system to muscles and glands.

Front

What is the difference between the somatic and autonomic nervous systems?

Back

The somatic nervous system controls voluntary movements, while the autonomic nervous system regulates involuntary functions.

Front

What is the function of the myelin sheath?

Back

To insulate axons and increase the speed of nerve impulse transmission.

Front

What are neuroglial cells?

Back

Supportive cells in the nervous system that do not conduct impulses.