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