Peripheral Nervous System

What is the central nervous system (CNS) made up of?

• brain & spinal cord
• sensory neurons
• motor neurons
• sensory receptors

The part of the nervous system that consists of nerves that branch out from the CNS (central nervous system) and connect to other body parts

• Sympathetic
• Parasympathetic
• Autonomic
• Peripheral

_____ neurons carry messages to the central nervous system

• Motor
• Inter
• Sensory
• Fun

_____ neurons carry  messages away from the central nervous system.

• Motor
• Inter
• Sensory
• Flower

Myelinated fibers (tracts) form ________ matter while unmyelinated fibers form ________ matter. 

• sensory, motor
• gray, white
• motor, sensory
• white, gray

The major role of the interneuron (association neuron) is to ________.

• carry information from the central nervous system to muscles and/or the viscera
• form a lipid-protein (lipoprotein) cell membrane on the outside of axons
• transmit nerve impulses from the skin and organs to the central nervous system   
• connect motor and sensory neurons in their pathways

What is NOT part of the peripheral nervous system (PNS)?

• axons
• sensory receptors
• spinal cord
• motor neurons

What is a Neuron?

• A cell

• A transmitter to transmit messages to cells

• A receiver for information

• a gland

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

What does the axon carry?

• Impulses away from the cell body

• Impulses to the cell body

• chemicals

• messages

What do the motor neurons do?

• carry messages from the brain and spinal cord to muscles and glands

• carry impulses from skin and sends to organs the to spinal cord and brain

• carry impulses from sensory neurons to motor neurons

• store messages