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