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