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