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