brains
spinal cord
a nerve
all of the above
muscle cells
stem cells
prison cells
glial cells
1 year
10 years
1 month
100 years
Purkinje neurons
multipolar neurons
bipolar neurons
pyramidal neurons
100 miles per hour
150 meters per second
1 foot per second
1 meter per second
nerve
the brain
muscle
wire
they regenerate very quickly
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
liver cells
skin cells
electrical impulses
telegraph
proteins
hormonal
True or False: Damage to your nervous system can cause paralysis.