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