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