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