Introduction to the Nervous System

Which division of the nervous system is responsible for monitoring the internal and external environment?

• Sensory/afferent

• Somatic

• Autonomic

• Motor/efferent

Tags

NGSS.MS-LS1-8

What is the structure labeled letter B?

• Axon

• Axon hillock

• Dendrite

• Cell body

Tags

NGSS.MS-LS1-2

What is the funciton of the motor/efferent division of the nervous system?

• Integrate sensory info

• Send sensory data to the central nervous system

• Determine a response

• Carry out or activates the response

Cells that function to support and protect neurons

• Afferent neurons

• Efferent neurons

• Neuroglia

• Interneurons

Name the structure labeled letter H

• Axon

• Dendrite

• Schwann cells

• Axon terminal

Tags

NGSS.MS-LS1-2

Which neuroglial cell is responsible for producing the myelin sheath for neurons of the CNS?

• Astrocytes

• Oligodendrocytes

• Schwann cells

• Microglia

Structure of a neuron that transmits the action potential away from the cell body

• Axon

• Dendrite

• Myelin sheath

• Axon terminal

The gaps in the myelin sheath along an axon

• Neurilemma

• Dendrites

• Synaptic cleft

• Nodes of Ranvier

Structure labeled letter G

• Neurilemma

• Axons

• Myelin sheath

• Nissl body

Check all that apply to the peripheral nervous system

• Contains the brain and spinal cord

• Integrates and interprets sensory information

• Contains a sensory and motor division

• Comprised of all nerves outside the brain and spinal cord