Bio Nervous System

The nervous system deals with which two things

• information

• movement

• communication systems

• absorption/secretion

A ____ conducts messages toward the cell body (input zone)

Select all that apply:

Cells in the nervous system can...

• respond

• process

• integrate

• receive and transmit

Select any that the nervous system DOESN'T impact

• Heart

• Stomach/Large Intestine

• Kidneys

• Lungs

• None! (it impacts pretty much everything!)

The _____ conducts messages (impulses) away from the cell body (conducting or output zone).

What is the main part of the neuron to which nerve extensions/fibers are attached?

• axon

• cell body

• neuroglial

• dendrite

Select the 3 that are part of the axon

• branched ends

• input zone

• myelin sheath

• nodes of ranvier

The ___ sheath (part of axon) is made from special neuroglial cells

What are nodes of ranvier?

• myelinated gaps on axons

• branched ends

• unmyelinated gaps on axons

• schwan cells

____ cells make up the myelin sheaths in axons.