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