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