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