telegraph
hormonal
electrical impulses
proteins
glial cells
stem cells
muscle cells
prison cells
they do not have a nucleus
they are very long compared to other cells in the body
they help carry oxygen to different parts of your body
they regenerate very quickly
skin cells
liver cells
pyramidal neurons
Purkinje neurons
bipolar neurons
multipolar neurons
True or False: Damage to your nervous system can cause paralysis.
wire
muscle
the brain
nerve
1 year
10 years
1 month
100 years
1 foot per second
1 meter per second
150 meters per second
100 miles per hour
brains
a nerve
spinal cord
all of the above