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