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