Chapter 12-13 (Spinal Cord/Spinal Nerves) (nervous Tissue)

Front

What portion of the motor division of the nervous system conducts action potentials from the central nervous system to skeletal muscle fibers?

Back

Somatic

Front

What is a fast, automatic & spontaneous response to a particular stimulus that involves the spinal cord?

Back

Reflex action

Front

What does the letter 'E' represent in a labeled neuron diagram?

Back

Myelin Sheath

Front

What does the term 'stimulus' refer to?

Back

A change in the environment.

Front

What carries impulses towards the cell body?

Back

Dendrites

Front

What is the primary function of the spinal cord?

Back

To transmit signals between the brain and the rest of the body.

Front

What are the two main divisions of the nervous system?

Back

Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Front

What is the role of Schwann cells in the nervous system?

Back

To produce myelin sheath around axons in the peripheral nervous system.

Front

What is a reflex arc?

Back

A neural pathway that controls a reflex action.

Front

What is the difference between afferent and efferent neurons?

Back

Afferent neurons carry signals to the CNS, while efferent neurons carry signals away from the CNS.