Unit 7 Nervous System Review

Front

What is the protective fatty tissue that speeds up the transmission of messages in the nervous system?

Back

Myelin Sheaths

Front

What are afferent nerves also known as?

Back

Sensory nerves

Front

Which neurons carry messages to the central nervous system?

Back

Sensory neurons

Front

What type of cell is located between neurons and capillaries to control what enters the cells from the blood?

Back

Astrocytes

Front

What phase of an action potential is represented by the number 2 on a graph?

Back

Depolarization phase

Front

What is the primary function of dendrites in a neuron?

Back

To receive signals from other neurons.

Front

What is the role of the axon in a neuron?

Back

To transmit electrical impulses away from the cell body.

Front

What type of glial cell forms the myelin sheath in the central nervous system?

Back

Oligodendrocytes

Front

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

Back

To form the myelin sheath in the peripheral nervous system.

Front

What is the difference between sensory and motor neurons?

Back

Sensory neurons carry signals to the central nervous system, while motor neurons carry signals away from it.