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