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