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