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