telegraph
electrical impulses
proteins
hormonal
multipolar neurons
bipolar neurons
Purkinje neurons
pyramidal neurons
nerve
muscle
wire
the brain
liver cells
muscle cells
stem cells
skin cells
1 foot per second
150 meters per second
1 meter per second
100 miles per hour
glial cells
prison cells
1 year
100 years
10 years
1 month
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
brains
spinal cord
all of the above
a nerve
True or False: Damage to your nervous system can cause paralysis.