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