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