Chapter II

Question 1

The ________ _______ is an extensive network of specialized cells that carry information to and from all parts of the body.

Answer 1

Nervous System

Question 2

Branch of Science that deals with the STRUCTURE and FUNCTION of NEURONS, NERVES, and NERVOUS TISSUES.

Answer 2

Neuroscience

Question 3

What do you call the basic cell that makes up the nervous system and RECEIVES and SENDS messages within that system?

Answer 3

Neuron

Question 4

Name the three parts of the neuron.

Answer 4

dendrites,
soma,
axon

Question 5

The part of the neuron that have BRANCH-LIKE structures that RECEIVE messages from other neurons.

Answer 5

Dendrites

Question 6

This is the cell body of the neuron that is responsible for MAINTAINING THE LIFE of the cell.

Answer 6

Soma

Question 7

This part of the neuron has a LONG, TUBE-LIKE STRUCTURE that CARRIES the NEURAL MESSAGE to other cells.

Answer 7

Axon

Question 8

The ________ ___________ is the part of the axon that releases the NEUROTRANSMITTERS that RELAY SIGNALS across a synapse.

Answer 8

axon terminal

Question 9

It is a point/tiny gap at which a nervous impulse passes from one neuron to another.

Answer 9

Synapse (also called ‘neuronal junction’)

Question 10

The _________ __________ allows electrical impulses to transmit QUICKLY and EFFICIENTLY along the nerve cells. If this is damaged, these impulses slow down.

Answer 10

myelin sheath

Question 11

________ _________ are grey fatty cells that
a) provide support for the neurons to grow on and around;
b) deliver nutrients to neurons
c) produce myelin to coat axons

Answer 11

Glial Cells