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