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